ErrLookup › MonoGame/MonoGame

MonoGame/MonoGame

One framework for creating powerful cross-platform games. · C# · 1,287 source files

Analyzed at 1d71bbd0ff on 2026-08-13. 452 documented errors.

Code / MessageTypeSeverityTags
Could not find ContentTypeWriter for type
exception error content-compiler, serialization, type-writer, reflection, extensibility, mgcb
Failed to compile vertex shader
exception error opengl, glsl, shader, vertex-shader, effect, content-pipeline
Unknown $AssimpFbx$ node
exception error fbx, assimp, content-pipeline, model-import, pivot
Failed to import root node
exception error model, importer, content-pipeline, monogame, assimp, fbx
No Graphics Device Service
exception critical content, graphics, content-manager, services, graphics-device
Unable to link effect program
exception error opengl, graphics, shader, linker, effect, monogame
Audio has failed to initialize. Call…
exception critical audio, initialization, monogame, noaudiohardware, environment
Number of bytes must be greater than zero.
validation error audio, argument-validation, monogame, streaming, pcm
Instanced geometry drawing requires at least OpenGL 3.2 or…
exception error opengl, graphics, instancing, hardware-capability, monogame
Unknown event + eventId
exception error audio, xact, soundbank, not-implemented, content-parsing
encodedName
exception error vertex, mesh, content-pipeline, monogame, validation, naming
Incorrect type reader index found!
exception error content, xnb, content-loading, deserialization, corruption
Error loading shared resource. Expected type
exception error content, xnb, content-loading, deserialization, type-mismatch
Unrecognized vertex content type
exception error vertex, mesh, content-pipeline, monogame, vertex-buffer
There is no supported texture profile for the
exception critical texture, content-pipeline, monogame, platform, configuration
Cube size must be greater than zero
exception error monogame, xna, graphics, texture, argument-validation, texturecube
Mismatched channel type
exception error vertex, mesh, content-pipeline, monogame, generics
Fatal : VkResult is in
console critical vulkan, vkresult, native, cpp, gpu, assert
The mesh " ", using , contains geometry that is missing…
exception error model, content-pipeline, mesh, texture-coordinates, validation, mgcb
input is not of the expected type
exception error content-pipeline, type-mismatch, monogame
( ): \n
console info native, logging, stderr, diagnostics, cpp
You cannot deserialize an array into a getter-only property.
exception error csharp, monogame, content-pipeline, serialization, arrays
Ensure that the loopStart+loopLength region lies within the…
exception error audio, monogame, soundeffect, argument-validation, looping
No data set on bitmap
exception error texture, bitmap, pvrtc, content-pipeline, monogame
The provided offset and data Span must total to a larger…
exception error vertexbuffer, setdata, span, native, buffer-overflow, monogame, graphics
Could not convert from string
exception error content-pipeline, type-converter, color, mgcb, configuration
Could not load image file of
exception error content, texture2d, image-loading, fallback-exception, content-loading
Converting from imposterName and processorName is not…
exception error content-pipeline, content-builder, obsolete, api-migration, importer, processor, typo
{allErrorsAndWarnings.ToString()}
exception error content-pipeline, effect-processor, shader, mgfx, compile-error
The content file was not found.
exception error content, xnb, content-loading, file-not-found, filesystem
ffprobe exited with :\n
exception error video, ffprobe, ffmpeg, content-pipeline, external-process
Buffer is shorter than the specified number of bytes from…
validation error audio, argument-validation, monogame, buffer-bounds
Parameter type is not supported
exception error content, effect, material, reflection, deserialization
Unable to change current EAGLContext.
exception error ios, opengl, context, threading, monogame
The specified variable index is invalid.
exception error xact, audio, variables, argument
Buffer may not be null or empty.
validation error audio, dynamic-sound, submit-buffer, argument-validation, null-reference
Failed to create importer
exception error content-pipeline, pipeline-manager, importer, process-content, resolution
The type ' ' cannot be processed by as a !
exception error content-pipeline, pipeline-manager, processor, type-mismatch, mgcb
There is no supported audio profile for the
exception error audio, content-pipeline, platform, target-platform, console, unsupported
Unhandled WAV format
exception error audio, wav, format, sample-count, validation, monogame
sampleRate
validation error audio, argument-validation, monogame, sample-rate
Type ' ' is not a subclass of BitmapContent.
exception error texture, content-pipeline, monogame, reflection, validation
Multiple skeletons found. Please ensure that the model does…
exception error fbx, assimp, content-pipeline, skeleton, skinning, model-import
A pixel shader must be set!
exception error opengl, graphics, shader, pipeline-state, monogame
Color format " " is not supported
exception error texture, bitmap, content-pipeline, monogame, generics
{ex.Message}
exception error content-pipeline, effect-processor, shader, mgfx, parse-error
Instanced geometry drawing with base instance requires at…
exception error opengl, graphics, instancing, hardware-capability, monogame
Invalid texture filter!
exception error directx, graphics, sampler-state, enum-validation, monogame
Type T is of an invalid size for the format of this texture.
validation error monogame, graphics, texture2d, surfaceformat, marshalling, validation, argument-exception, getdata-setdata
Incorrect file type! Expected '.wav' but found '.
exception error audio, content-pipeline, importer, wav, mp3, wma, type-mismatch
Unknown vertex element usage for channel
exception error vertex, mesh, content-pipeline, monogame, vertex-buffer, naming
Could not find " " font file at " ".
exception critical audio, importer, content-pipeline, monogame, file-not-found
The arraySlice is out of range for this Texture3D.
exception error directx, graphics, rendertarget, texture3d, argument-validation, monogame
Could not destroy EGL context
exception error android, egl, opengl, graphics-context, teardown, driver
{message}
exception error content-pipeline, effect-processor, shader, mgfx, compile-error
Framebuffer Incomplete.
exception error opengl, graphics, framebuffer, render-target
EAGLContext.PresentRenderbuffer failed.
exception error ios, opengl, framebuffer, swap-buffers, monogame
Vertex stride can not be larger than the vertex buffer size.
exception error monogame, xna, graphics, vertexbuffer, argument-validation, vertex-declaration, buffer-size
Couldn't find a default importer for
exception error content-pipeline, pipeline-manager, importer, mgcb, resolution
Couldn't find a default processor for importer
exception error content-pipeline, pipeline-manager, processor, importer, mgcb
Could not retrieve surface format of source bitmap
exception error content-pipeline, bitmap, surface-format, graphics
The loopLength cannot be negative.
exception error audio, argument-validation, monogame, looping
Failed to serialize the effect!
exception error content-pipeline, effect-processor, shader, serialization, mgfx
You cannot modify a default sampler state object.
exception error monogame, graphics, sampler-state, immutable, default-state-object, invalid-operation
Content reader could not be found for
exception error content, reflection, reader, aot, deserialization
Processor ' ' had unexpected failure!
exception error content-pipeline, pipeline-manager, processor, exception-wrapping, process-content
Failed to get default constructor for ContentTypeReader. To…
exception error content, aot, ios, mobile, mono, reflection
Importer ' ' had unexpected failure!
exception error content-pipeline, pipeline-manager, importer, exception-wrapping, process-content
rpcCurve.Parameter
exception error xact, audio, rpc, internal, data-format
Type ' does not have a constructor with signature (int…
exception error texture, content-pipeline, monogame, reflection, validation
Cannot access ActiveContext because there is no active…
exception error content-pipeline, context-scope, async-local, monogame
The GraphicsDevice must not be null when creating new…
exception critical monogame, effect, graphics-device, null-argument, resource
Failed to open capture device.
exception error audio, openal, microphone, capture, hardware
Audio file contains audio data with unsupported sample rate…
validation error audio, wav, content-pipeline, sample-rate, importer
Could not load asset!
exception error content, xnb, content-loading, deserialization
Opening stream error.
exception error content, xnb, content-loading, io, fallback-exception
Unknown material content type!
exception error material, content-pipeline, type-mismatch, extensibility, mgcb
**ERROR** Fatal Error with HRESULT of %08X\n
console critical directx12, directx, d3d12, hresult, native, cpp, gpu
indices
exception error content, array, internal, corruption
The loopStart cannot be greater than the total number of…
exception error audio, argument-validation, monogame, looping
TypeConverter for -> is not implemented.
exception error vertex, mesh, content-pipeline, monogame, type-conversion
Unable to determine the current display mode. This can…
exception critical csharp, monogame, graphics, windows, hidpi, display-mode, environment
Buffer duration must be a value between 100 and 1000…
validation error audio, argument-validation, monogame, microphone, capture
Node " " is not an ancestor of " ".
exception error fbx, assimp, content-pipeline, internal, node-hierarchy
Vertex channel with name
exception error vertex, mesh, content-pipeline, monogame, validation
Calculated block align does not match RIFF
exception error audio, content-pipeline, wav, riff, block-align, corrupt-file
You should have at least one point in points.
exception error math, bounding-volume, argument-validation, geometry
Incorrect data size. Expected
exception error texture, bitmap, pvrtc, content-pipeline, monogame, validation
Invalid stencil operation!
exception error directx, graphics, depth-stencil, enum-validation, monogame
MonoGame requires OpenGL 3.0 compatible drivers, or either…
exception critical opengl, graphics, drivers, desktopgl, context-creation
Could not copy between
exception error content-pipeline, bitmap, format-conversion, graphics
Elements cannot be empty
exception error vertexdeclaration, constructor, null-argument, monogame, graphics
Not have enough entries in space-separated list!
exception error csharp, monogame, content-pipeline, serialization, vectors, xml
Marker event
exception error xact, audio, clip, not-implemented, events
Total bone weights in a collection must not be zero
validation error content-pipeline, model, skinning, bone-weights
existingInstance
exception error content, array, deserialization, corruption
MS-ADPCM is not supported by this OpenAL driver
exception error audio, openal, adpcm, codec, compatibility
Cannot resize MipmapChainCollection. This type of texture…
exception error texture, content-pipeline, monogame, collection
There was an error processing
exception error audio, content-pipeline, wrapper, invalid-content, inner-exception
elementCount is not the right size, elementCount *…
exception error monogame, xna, graphics, texture, argument-validation, texturecube, buffer-size, surfaceformat, compressed-texture