InterSystems IRIS TSQL Code 1221 Invalid lock class for release call.

In this post, you’ll learn about the SQL error code 1221 in InterSystems IRIS database the reason why you are receiving the TSQL message when using the InterSystems IRIS data platform

Error Code :

1221

Reason for the Error code 1221 in InterSystems IRIS DBMS

Invalid lock class for release call.

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