I am working on SItecore 9.0.2 and Dynamics CRM connector 2.0.1.

While running the pipeline batch from Sync contacts Sitecore to CRM, the mappings don't work. below is the log Error. The log says 0 entities were read. #Log:

ManagedPoolThread #2 16:55:49 INFO [Data Exchange] Starting pipeline batch processing. (pipeline batch: xConnect Contacts to Dynamics Sync) ManagedPoolThread #2 16:55:49 INFO [Data Exchange] No entities were read from xConnect. (pipeline: Read Contacts from xConnect Pipeline, pipeline step: Read Contacts from xConnect, pipeline step identifier: aee1fdb1-10a4-4cc3-9522-74c6d62b0652, endpoint: xConnect Client Endpoint, entity: contact) ManagedPoolThread #2 16:55:49 DEBUG [Data Exchange] 0 elements were iterated. (pipeline: Read Contacts from xConnect Pipeline, pipeline step: Iterate xConnect Contacts and Run Pipelines, pipeline step identifier: ea47ccc7-5855-40a9-99b8-18cf573ff915) ManagedPoolThread #2 16:55:49 DEBUG [Data Exchange] Pipeline processor finished processing pipeline steps. (pipeline: Read Contacts from xConnect Pipeline, pipeline step: Submit Remaining Dynamics Contacts in Queue, completed pipeline steps: 6) ManagedPoolThread #2 16:55:49 DEBUG [Data Exchange] Pipeline batch processor finished processing pipelines. (pipeline batch: xConnect Contacts to Dynamics Sync, completed pipelines: 1)