need a document or manual related to cme error description and details for understanding particular errors for development.
need a document or manual related to cme error description and details for understanding particular errors for development.
There is no such document. Different types of AT commands are described in different AT documents. For example, if a TCP/IP command reports an error, you need to find the TCP/IP AT document.
+CME error codes which are not manufacturer specific are documented in 3GPP 27.007, section 9.2.
