Message type: E = Error
Message class:  DDLS - For DDL source handling 
Message number: 436
Message text: CDS view &: parameter & was deleted
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 DDLS436 indicates that a parameter in a Core Data Services (CDS) view has been deleted. This typically occurs when there are changes made to the CDS view definition, such as removing a parameter that was previously defined.
Cause: Parameter Deletion: The most common cause is that a parameter that was previously defined in the CDS view has been removed or renamed in the view definition. Changes in Dependencies: If the CDS view is dependent on other objects (like tables or other views), changes in those objects can also lead to this error. Transport Issues: If the CDS view was transported from one system to another, and the parameter was not included in the transport, it could lead to this error.
Solution: Check the CDS View Definition: Review the CDS view definition in the ABAP Development Tools (ADT) or SE11 transaction to ensure that all parameters are correctly defined and that none have
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
DDLS435 Association & with new target &: field & still used in CDS view &
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
DDLS434 Deleted/changed association & still used in CDS view &
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
DDLS437 CDS view &: parameter & was added
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
DDLS438 CDS view &: parameter &, type was changed
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.