Message type: E = Error
Message class:  CNV20600 - message class for package 20600 
Message number: 055
Message text: Syntax error in dynamic sub-routine pool; contact SAP
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The SAP error message CNV20600055 indicates a syntax error in a dynamic subroutine pool, which typically occurs during the execution of a program or report in the SAP system. This error is often related to issues in custom code, enhancements, or modifications that have been made to the standard SAP programs. Causes: Custom Code Issues: The error may arise from custom ABAP code that has syntax errors or logical errors. Transport Issues: If the code was transported from one system to another (e.g., from development to production), there may have been issues during the transport process. Incompatible Changes: Changes made to the underlying data structures or database tables that are not reflected in the code can lead to syntax errors. Missing Objects: If the program references objects (like function modules, classes, or methods) that do not exist or are not activated, it can cause this error. Dynamic Programming: The error may occur in dynamically generated code,
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