Invalid text, ntext, or image pointer type. Must be binary(16).

Error Message:
Msg 7122, Level 16, State 1, Line 5
Invalid text, ntext, or image pointer type. Must be binary(16).

Severity level:

This error message appears when you try to use a variable of an invalid type as pointer to a blob column.

The T-SQL statement can be parsed, but causes the error at runtime.

Errors of the Severity Level 16 are generated by the user and can be fixed by the SQL Server user. The statement cannot be executed this way. The variable that points to the blob column must be of the type BINARY(16).

All versions of SQL Server.

USE pubs
DECLARE @textpointer INT
SELECT @textpointer = TEXTPTR(pr_info)
  FROM pub_info
READTEXT pub_info.pr_info @textpointer 1 25

In the above example we try to use a variable of the type INT to point to a blob column. This raises the error.


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