Hi all,   I've been encountering an issue when I run PROC GEE on SAS studio. I have checked my code quite a few times and still receive this error:     ERROR: An exception has been encountered. Please contact technical support and provide them with the following traceback information:   The SAS task name is [GEE (2)] ERROR: Write Access Violation GEE (2) Exception occurred at (0B20F63C) Task Traceback Address Frame (DBGHELP API Version 4.0 rev 5) 000000000B20F63C 000000000B16F650 tkgee:tkgee+0x2E05C 000000000B207AA5 000000000B16F7C0 tkgee:tkgee+0x264C5 000000000B205AA9 000000000B16F9A0 tkgee:tkgee+0x244C9 00000000096B8D2C 000000000B16F9A8 sasgee:tkvercn1+0x7CEC 00000000096B1363 000000000B16FBF0 sasgee:tkvercn1+0x323 00000000019F89DB 000000000B16FBF8 sashost:Main+0x10EBB 00000000019FE61D 000000000B16FF50 sashost:Main+0x16AFD 00007FF8574513D2 000000000B16FF58 KERNEL32:BaseThreadInitThunk+0x22 00007FF8591354F4 000000000B16FF88 ntdll:RtlUserThreadStart+0x34   NOTE: The SAS System stopped processing this step because of errors. NOTE: PROCEDURE GEE used (Total process time): real time 0.18 seconds cpu time 0.18 seconds   619 620 621 622 623 624 625 626 627 628 629 630 631 632 OPTIONS NONOTES NOSTIMER NOSOURCE NOSYNTAXCHECK;   Any help is appreciated,   Sarah ... View more