Unable to step invalid operation in SQL

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SQL-Server-2014

I'm debugging a call to a Stored Procedure in SSMS (2012). Frequently, and various random points in the code, a dialog pops up:

Once I dismiss the dialog, it appears that debugging CAN continue... I can continue to step through the code to the end, without any apparent problems. So far....

What I have tried:

Microsoft SQL Server Management Studio:
Unable to Step. Invalid Operation.

Posted 29-Aug-17 19:05pm

Developer29

Updated 29-Aug-17 19:36pm

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David_Wimbley · Answer 1 · 2017-08-29T19:36:00

Without having access to your server to look for myself, your best bet is going to be to use google.

A quick look through some of the links below looks like it is a race condition in debugging too quickly and appears to be a well known issue in SSMS 2012. Work arounds are included in the links below as well.

Microsoft SQL Server Management Studio: Unable to Step. Invalid Operation - Google Search[^]

Unable to step. Invalid operation. SSMS 2012 | Microsoft Connect[^]

ssms - SQL Server Debugging: "Unable to Step. Invalid operation" - Server Fault[^]

Getting "Unable to step. The operation could not be completed. A retry should be performed" while debugging in Visual Studio – Rakki Muthukumar[^]