In this post, you’ll learn about the COBOL runtime Error Code 065 and the reason why you are receiving it
COBOL Error Code :
065
Reason for this Error in COBOL
File locked (Recoverable) -You have tried to open a file which has already been locked, or opened for output by another user. Alternately, you have tried to lock or open for output a file which another user already has open. -Your program can inform the system operator (if there is one) that it is unable to access this file and should wait until the other user has finished using the file and closes it. You should then be able to continue to run your program.