InterSystems IRIS TSQL Code 7991 System table mismatch: Table ‘%.*ls’, ob

In this post, you’ll learn about the SQL error code 7991 in InterSystems IRIS database the reason why you are receiving the TSQL message when using the InterSystems IRIS data platform

Error Code :

7991

Reason for the Error code 7991 in InterSystems IRIS DBMS

System table mismatch: Table ‘%.*ls’, object ID %d has index ID 1 in sysindexes but the status in sysobjects does not have the clustered bit set. The table will be checked as a heap.

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