Indexing Issues

Hello Everyone & Happy New Year 2 u,

Pls I have this issue, an index was added to a table in SQL, not in AX, den I added the index in AX later, but I still have SQL error messages wen synchronizing.

Below is d message;

"Cannot execute a data definition language command on ().The SQL database has issued an error. 

SQL error description: [Microsoft][SQL Server Native Client 11.0][SQL Server]Incorrect syntax near '-'.

SQL statement: DROP INDEX CUSTTABLE.NonClusteredIndex-20160107-120321"

Pls help.