This error typically means that the code is trying to access a value in a dictionary using a key that doesn’t exist within the dictionary.
This error can occur in various scenarios, such as 1)when accessing a variable or parameter that was not properly initialized or when the input data is incorrect.
2)The key used to access the dictionary value might be misspelled or not exactly match the key used when the value was added to the dictionary.
3)The key might not exist in the dictionary at all, either due to an error in the code that should have added the key or because the key was removed before being accessed.
Regards
Sonali