| argument value for lower and higher must be(lower > higher) | exception | error | argument-validation, range-check, game |
| Hole concentration cannot be negative in a semiconductor | validation | error | electronics, semiconductor, physics, validation, sign-error |
| Input sequence should not be empty | exception | error | algorithm, input-validation, empty-input |
| Unsupported Group | exception | error | diffie-hellman, key-exchange, configuration, validation |
| input list must not be empty | validation | error | bit-manipulation, input-validation, python |
| argument should be a bytes-like object or ASCII string, not | exception | error | base64, type-error, decoding, validation |
| Axis must be a str | validation | error | graphics, type-validation, rotation |
| Input data set must be one-dimensional | validation | error | machine-learning, decision-tree, shape-mismatch, numpy |
| vol_circular_cylinder() only accepts non-negative values | exception | error | math, validation, geometry, valueerror |
| Expected the same number of columns for B and C. Instead… | validation | error | linear-algebra, schur-complement, shape-mismatch, numpy |
| key must be a string | exception | error | cipher, type-error, python |
| value should be between 0 and 1 | exception | error | python, validation, range, color, conversion |
| The parameter bwt_string must not be empty. | exception | error | value-validation, burrows-wheeler, empty-input, compression |
| vol_prism() only accepts non-negative values | exception | error | math, validation, geometry, valueerror |
| Polynomial degree must be non-negative | exception | error | machine-learning, regression, polynomial, constructor |
| vol_pyramid() only accepts non-negative values | exception | error | math, validation, geometry, valueerror |
| vol_right_circ_cone() only accepts non-negative values | exception | error | math, validation, geometry, valueerror |
| List index out of range. | exception | error | linked-list, index-error, delete, bounds-check |
| not a valid axis, choose one of 'x', 'y', 'z' | validation | error | graphics, input-validation, rotation |
| ' ' not in list of symbols | exception | error | enigma, plugboard, alphabet, validation |
| x and y have different lengths | validation | error | machine-learning, decision-tree, data-alignment, input-validation |
| Modulus must be a positive integer | exception | error | math, modular-arithmetic, input-validation |
| vol_icosahedron() only accepts non-negative values | exception | error | math, validation, geometry, valueerror |
| the function is defined for non-negative integers | exception | error | math, probability, statistics, input-validation |
| Only positive integers have prime factors | exception | error | math, number-theory, input-validation |
| Energy can't be negative. | exception | error | physics, relativity, input-validation, valueerror |
| Length of predicted and actual array must be same. | exception | error | machine-learning, loss-function, svm, shape-mismatch |
| Second rotor position is not within range of 1..26 | exception | error | enigma, rotor-position, off-by-one, validation |
| vol_torus() only accepts non-negative values | exception | error | math, validation, geometry, valueerror |
| blue should be between 0 and 255 | exception | error | python, validation, range, color, conversion |
| Third rotor position is not within range of 1..26 | exception | error | enigma, rotor-position, off-by-one, validation |
| vol_hemisphere() only accepts non-negative values | exception | error | math, validation, geometry, valueerror |
| Only positive numbers are accepted | exception | error | math, number-theory, input-validation |
| green should be between 0 and 255 | exception | error | python, validation, range, color, conversion |
| Non-positive frequency implies vs>v or v0>v (in the… | validation | error | |
| Column must be equal in length to the other columns in the… | exception | error | |
| Division by zero implies vs=v and observer in front of the… | validation | error | |
| Length of initial roots must match the degree of the… | exception | error | |
| Year out of range. There has to be some sort of… | validation | error | |
| The final value of x must be greater than initial value of… | exception | error | |
| Each row in the matrix must have exactly | validation | error | |
| Row must be equal in length to the other rows in the matrix | exception | error | |
| Only matrices with a non-zero determinant have an inverse | exception | error | |
| x-values must be equally spaced according to step size. | exception | error | |
| The date was evaluated incorrectly. Contact developer. | exception | error | |
| No converging solution found, iteration limit reached | exception | error | |
| Matrix rows can only contain letters and numbers. | validation | error | |
| Invalid velocity. Should be an integer or float. | validation | error | |
| The radius is always a positive non zero integer | validation | error | |
| Subtraction requires matrices of the same order | exception | error | |
| Invalid angle. Should be an integer or float. | validation | error | |
| No converging solution found, zero derivative | exception | error | |
| Addition requires matrices of the same order | exception | error | |
| Degree of the polynomial must be at least 1. | exception | error | |
| Mass of all particles must be greater than 0 | validation | error | |
| float division by zero, could not find root | exception | error | |
| Please provide a matrix of size 2x2 or 3x3. | validation | error | |
| Both a & b of two equations can't be zero. | validation | error | |
| Number of steps must be greater than zero | exception | error | |
| Cannot have a capture radius less than 0 | validation | error | |
| Each move must have exactly two numbers. | validation | error | |
| Insufficient initial points information. | exception | error | |
| Infinite solutions. (Consistent system) | exception | error | |
| Matrix size must be a positive integer. | validation | error | |
| The mass of the body cannot be negative | validation | error | |
| could not find root in given interval. | exception | error | |
| Magnitude of force can not be negative | validation | error | |
| The radius is always a positive number | validation | error | |
| Invalid angle. Range is 1-90 degrees. | validation | error | |
| The Denominator Cannot be less than 0 | exception | error | |
| Move is out of bounds for a matrix. | validation | error | |
| No solution. (Inconsistent system) | exception | error | |
| The Denominator must be an integer | exception | error | |
| The matrix dont match with size. | validation | error | |
| Cannot go beyond speed of light | validation | error | |
| Please enter a valid equation. | validation | error | |
| Radius cannot be less than 0 | validation | error | |
| This matrix has no inverse. | exception | error | |
| Mass cannot be less than 0 | validation | error | |
| Area can not be negative | validation | error | |
| Radius cannot be zero. | validation | error | |
| No particles provided | validation | error | |
| Wrong space! | exception | error | |