Informix Error -4381

-4381 The input file filename has an invalid extension. The file

You do not need to enter the file extension or suffix of .4gl when you type the name of a program source file. However, if you do type a file suffix it must be .4gl; no other is allowed. If you type the suffix incorrectly, enter the command again omitting the suffix. If the file really has a different suffix, you will have to change it.