BIP2515
Severity
20 : Error
Message
(<insert_1>, <insert_2>) : Illegal trim character <insert_3> argument to TRIM function.
Explanation
The trim character argument to the TRIM function must be a character string, a byte string or a bit string, and must be of length 1. The trim character argument was <insert_3>.
Response
Correct the syntax of your ESQL expression in node <insert_1>, around line and column <insert_2>, then redeploy the message flow: Ensure that the trim character argument is an appropriate data type and length.