Message type: E = Error
Message class:  SEPMH_DG - EPM HANA DG - Messages 
Message number: 001
Message text: Field '&1' does not exist within DB table '&2'
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 SEPMH_DG001, which states "Field '&1' does not exist within DB table '&2'," typically indicates that there is an attempt to access a field in a database table that does not exist. This can occur in various scenarios, such as when developing or customizing applications, reports, or data models in SAP.
Cause: Field Name Typo: The field name specified in the error message may have been misspelled or incorrectly referenced in the code or configuration. Table Structure Changes: The database table may have been modified (e.g., fields added or removed) in a recent update or customization, and the code is still referencing an outdated field. Incorrect Table Reference: The code may be referencing the wrong database table, leading to the error when it tries to access a field that does not exist in that table. Transport Issues: If the changes were transported from one system to another (e.g., from development to production),
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
SEPMH_DG000 Invalid DB table name: '&1'
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
SEPA_SERVICES002 
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
SEPMH_DG002 Time based object problem &1 &2 &3 &4
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
SEPMH_DG003 DB table '&1' is no EPM header table
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.