
Default value deviates from field type
You have tried to create a new user-defined field. In the Field Data window, you have specified either Numeric or Alphanumeric in the Type field
You have selected the Set Default Value for Field option. In the field that has appeared, you have specified a value that does not match the chosen field type
Example
In the Type field you have chosen the option Numeric; however, in the field that has appeared below the Set Default Value for Field option, you have entered the value abc
You have chosen the Add button.
Set values that match the selected field type. Alternatively, you can change the field type and define the required values accordingly.