Message type: E = Error
Message class:  CNV_PE_UI -  
Message number: 827
Message text: TRFM parameter name cannot be empty
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 CNV_PE_UI827 with the description "TRFM parameter name cannot be empty" typically occurs in the context of data migration or transformation processes, particularly when using the SAP Landscape Transformation (SLT) or other data conversion tools. This error indicates that a required parameter for a transformation function (TRFM) is missing or not properly defined.
Cause: Missing Parameter: The error is triggered when a transformation function is expected to have a parameter name, but it is either not provided or is left empty.
Configuration Issues: There may be issues in the configuration of the transformation rules or mappings where the parameter name is not specified. Data Mapping Errors: If you are working with data mapping, it is possible that the mapping configuration is incomplete or incorrectly set up.
Solution: Check Transformation Configuration: Go to the relevant transformation configuration in the SAP system. Ensure that all required parameters for the transformation function are defined and not left empty. Review
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV_PE_UI826 Value for simulation and writing data must not contain same value
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_PE_UI825 No aplication help found
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_PE_UI828 Skip rule cannot be empty; please generate the skip rule
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_PE_UI829 Selection field is missing
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.