3540646 - SPAM: The buffered table has either been structurally modified or has been reset manually in the table buffer

Post updating the SPAM, below dump occurs while accessing the SPAM t-code

Error:ST22 

Category               Error at ABAP Runtime
Runtime Errors         DBSQL_BUFFER_ERROR
        

 Short Text
     Error while accessing a buffered table.

 What happened?
     During data selection to buffered table "PAT08", this table was reset in
     the buffer, for example by parallel structural modification of the
     table in the ABAP Dictionary.

 Error analysis
     The buffered table has either been structurally modified or has been
     reset manually in the table buffer.

Trigger Location of Runtime Error
    Program                                 SAPLOCS_EXTIF
    Include                                 LOCS_EXTIFF01
    Row                                     281
    Module Type                             (FORM)
    Module Name                             GET_EQUIVALENT_SP

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SAP ERP

DBSQL_BUFFER_ERROR, buffered table, SPAM , KBA , BC-UPG-OCS , Online Corr. Support (Tools:Supp.-Pack., Addon Install/Upgr) , BC-DB-DBI , DB Independent Database Interface , Problem