2456185 - ST22 dump in Method "GET_DAYS" is unknown or PROTECTED or PRIVATE - SAP ASE BS

When entering in dbacockpit you got a ST22 dump :

Category               ABAP Programming Error
      Runtime Errors         SYNTAX_ERROR
      ABAP Program           CL_SYB_ATM====================CP
      Application Component  BC-DB-SYB

 The current ABAP program "CL_SYB_RDI_META===============CP" had to be
  terminated because it has
 come across a statement that unfortunately cannot be executed.
 In include "CL_SYB_ATM====================CM01F     ", in line 136 of program
  "CL_SYB_ATM====================CP ", the following syntax errors
 have occurred:
 Method "GET_DAYS" is unknown or PROTECTED or PRIVATE.

Error analysis
    The following syntax error has occurred in program
     CL_SYB_ATM====================CP        :
    Method "GET_DAYS" is unknown or PROTECTED or PRIVATE.

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• SAP Adaptive Server Enterprise (ASE) 15.7 for Business Suite
• SAP Adaptive Server Enterprise (ASE) 16.0 for Business Suite
• SAP Enterprise Resource Planning (ERP) 6.0
• SAP Supply Chain Management (SCM) 7.0
• SAP Solution Manager (SOLMAN) 7.1/7.2
• SAP NetWeaver (NW) - All versions 

SAP Adaptive Server Enterprise 15.7 ; SAP Adaptive Server Enterprise 16.0 ; SAP Customer Relationship Management 7.0 ; SAP ERP 6.0 ; SAP NetWeaver all versions ; SAP Solution Manager 7.1 ; SAP Solution Manager 7.2 ; SAP Supplier Relationship Management 7.0 ; SAP Supply Chain Management 7.0

GET_DAYS,CL_SYB_ATM , KBA , BC-DB-SYB , Business Suite on Adaptive Server Enterprise , Problem