Message type: E = Error
Message class:  /IWFND/CM_CONSUMER -  
Message number: 121
Message text: Lib 1.0 - Dispatcher finished succesfully
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.
First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).
Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.
You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.
The SAP error message /IWFND/CM_CONSUMER121 Lib 1.0 - Dispatcher finished successfully is typically related to the SAP Gateway and OData services. This message indicates that the dispatcher has completed its processing, but it does not necessarily mean that the request was successful. Instead, it may suggest that there was an issue with the request or the processing of the OData service. Possible Causes: Service
Configuration Issues: The OData service may not be properly configured or activated in the SAP Gateway. Authorization Issues: The user may not have the necessary authorizations to access the OData service. Data Issues: There may be issues with the data being processed, such as missing or invalid data. Backend Errors: The backend system may have encountered an error while processing the request. Network Issues: There could be network-related issues affecting the communication between the frontend and backend systems. Solutions: Check Service Activation: Go to the SAP Gateway Service Builder (transaction code /IWFND/MAINT_SERVICE) and ensure that
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
/IWFND/CM_CONSUMER120 Lib 1.0 - Dispatcher started
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/IWFND/CM_CONSUMER108 Metadata error occured for Service &1, Version &2 and Namespace &3
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/IWFND/CM_CONSUMER122 Lib 1.0 - Dispatcher finished with error
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/IWFND/CM_CONSUMER123 Lib 1.0 - Service Factory retrieved EDM Exception
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
Click on this link to search all SAP messages.