Message type: E = Error
Message class:  /ECRS/BL_MD -  
Message number: 110
Message text: Enter a valid procedure
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 /ECRS/BL_MD110 Enter a valid procedure typically occurs in the context of the SAP ECRS (Enterprise Customer Relationship System) module, particularly when dealing with business processes or procedures that require a valid entry.
Cause: Invalid Input: The most common cause of this error is that the user has entered an invalid or non-existent procedure code in the relevant field.
Configuration Issues: There may be issues with the configuration of the procedures in the system, such as missing entries in the relevant tables. Authorization Issues: The user may not have the necessary authorizations to access or execute the specified procedure. Data Inconsistencies: There could be inconsistencies in the master data or transactional data that are causing the system to reject the input.
Solution: Check Input: Ensure that the procedure code entered is correct and exists in the system. You can verify this by checking the relevant configuration or master data tables. Review Configuration: If you have
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
/ECRS/BL_MD109 Enter a valid business transaction type
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/ECRS/BL_MD108 Default values are blocked by user &1
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/ECRS/BL_MD111 Enter a valid mode of transport at the border
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/ECRS/BL_MD112 Enter a valid port/airport
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.