How To Fix JIT00520 - There are several calls for external call number &3

SAP Error Message - Details

• Message type: E = Error

• Message class: JIT00 - JIT: Messages for JIT Process

• Message number: 520

• Message text: There are several calls for external call number &3

What causes this issue?

The system found more than one sequenced JIT call with production
number&V3& (customer &V1&, customer plant &V2&). On the next screen,
you can select one of these JIT calls by choosing <LS>Propose JIT
call</> and thus have the system propose the item data of the JIT call
in question. Please note the repeat order indicator.

System Response

The repeat order indicator is set automatically upon receipt of the
sequenced JIT call.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message JIT00520 - There are several calls for external call number &3 ?

  The SAP error message JIT00520 indicates that there are multiple calls for an external call number, which typically occurs in the context of Just-In-Time (JIT) delivery processes. This error can arise when the system detects that there are several requests or calls for the same external call number, which can lead to confusion or conflicts in processing.
  
  Cause:
  
  Duplicate Calls: The most common cause is that the same external call number has been processed multiple times, leading to a conflict.
  
  Configuration Issues: There may be issues with the configuration of the JIT process or the way external calls are set up in the system.
  Data Integrity Issues: There could be inconsistencies in the data related to the external call numbers, such as incorrect entries or missing information.
  System Bugs: Occasionally, this error can be caused by bugs in the SAP system or specific transactions.
  
  
  Solution:
  
  Check for Duplicates: Review the external call numbers in the system to