How To Fix B1638 - ALE CCMS Monitor: & IDocs in tRFC queue but threshold value is &

B1638 - Overview

• Message type: E = Error

• Message class: B1 - ALE group messages

• Message number: 638

• Message text: ALE CCMS Monitor: & IDocs in tRFC queue but threshold value is &

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message B1638 - ALE CCMS Monitor: & IDocs in tRFC queue but threshold value is & ?

  The SAP error message B1638 indicates that there are IDocs (Intermediate Documents) in the tRFC (Transactional Remote Function Call) queue, and the number of IDocs exceeds a predefined threshold value. This message is part of the ALE (Application Link Enabling) CCMS (Computing Center Management System) monitoring framework, which is used to monitor the status of IDocs and other asynchronous processes in SAP systems.
  
  Cause:
  
  High Volume of IDocs: The primary cause of this error is that there are too many IDocs waiting in the tRFC queue, which may indicate a bottleneck in processing.
  Processing Issues: There may be issues with the receiving system that is supposed to process these IDocs, such as downtime, performance issues, or configuration problems.
  Network Issues: Network problems can prevent IDocs from being sent to the target system.
  Configuration Settings: The threshold value for monitoring may be set too low, leading to frequent alerts even if the number of IDocs is