How To Fix FK091 - Communication error: &

FK091 - Overview

• Message type: E = Error

• Message class: FK - Factory calendar

• Message number: 091

• Message text: Communication error: &

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message FK091 - Communication error: & ?

  The SAP error message FK091, which indicates a "Communication error," typically arises during the processing of financial documents, particularly in the context of the SAP Financial Accounting (FI) module. This error can occur due to various reasons, including issues with the connection to the database, problems with the application server, or network-related issues.
  Causes of FK091 Communication Error
  
  Network Issues: Problems with the network connection between the SAP application server and the database server can lead to communication errors.
  Database Connection Problems: If the database is down or there are issues with the database configuration, it can result in this error.
  Application Server Issues: If the application server is overloaded or experiencing performance issues, it may not be able to communicate effectively with the database.
  Timeouts: Long-running transactions may exceed the timeout settings, leading to communication errors.
  
  Configuration Issues: Incorrect settings in the SAP system configuration can also lead to communication problems.
  Transport Layer Issues: Problems in