879 SAP Message of Class B1 Name of external structure too long for function module generation

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879(B1) - Name of external structure too long for function module generation

Message number 879 of class B1 is used to display message "Name of external structure too long for function module generation" and can be triggered using the following ABAP code:

    MESSAGE W879(B1). "Warning message example
    MESSAGE I879(B1). "Information message example
    MESSAGE E879(B1). "Error message example
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What causes this issue

The name of the external structure is too long to meet the technical
prerequisites for generating a function module. The maximum length is 26characters.

System Response

How to fix

Copy the structure to a name with fewer than 27 characters and use this
structure to generate the function module.&SYS_ADMIN&

Message text extract from SAP system. Copyright SAP SE.

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