Message type: E = Error
Message class:  ANA_VIEW_METADATA - Analytical View Metadata Messages 
Message number: 004
Message text: Field does not exist. Please enter a field that exists.
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 ANA_VIEW_METADATA004 ("Field does not exist. Please enter a field that exists.") typically occurs in the context of SAP Analytics Cloud (SAC) or SAP BW when you are trying to create or modify a view, query, or report, and you reference a field that is not recognized by the system. Here are some potential causes, solutions, and related information for this error:
Causes:
Field Name Typo: The field name you entered may contain a typo or may not match the exact name as defined in the data model.
Field Not Available: The field you are trying to use may not be part of the data source you are working with. This can happen if the field was removed or renamed in the underlying data model.
Data Source Changes: If the data source has been modified (e.g., fields added or removed), the view or report may not be updated to reflect these Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
ANA_VIEW_METADATA003 Data view contains errors
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
ANA_VIEW_METADATA002 The data category value of the data view must be CUBE or DIMENSION
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
ANST001 & & & &
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
ANST002 Transaction &1 does not exist
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.