How to fix the Oracle error PCB-00603: An EXEC TOOLS MESSAGE host variable is not a character type?

In this post, you’ll learn more about the Oracle ErrorPCB-00603: An EXEC TOOLS MESSAGE host variable is not a character type with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PCB-00603: An EXEC TOOLS MESSAGE host variable is not a character type

Reason for the Error PCB-00603: An EXEC TOOLS MESSAGE host variable is not a character type

Cause: If a host variable is used to specify the message in an EXEC TOOLS MESSAGE statement, that host variable must be of a character type.

How to fix the Error PCB-00603: An EXEC TOOLS MESSAGE host variable is not a character type ?

You can fix this error in Oracle by following the below steps

Action: Declare the message to a host variable of a char type. “625 – 649, EXEC SQL LOB statements”