Power Automate - Flow

Hi there, Great job, i ´m trying to link (to do a 2 way sync) From Sharepoint <-> Excel , and i m stuck, when i test it i ve a error: The Expression “Ref ETC eq OASP2004A4-KIT” is not valid. Creating query failed. , can anyone help me? the field Ref ETC is the sharepoint Key, and the OASP2004A4-KIT is the the Ref ETC in the first row in Excel. Thanks.