Microsoft Dynamics 365 Business Central sync error: You may not enter numbers manually. If you want to enter numbers manually, please activate Manual Nos. in No. Series VEND.

Why the sync error occurs

This error occurs when a vendor is created in Cashflow360, but fails to create in Business Central via the sync due to Manual Nos. not enabled.

How to fix the sync error

Enable Manual Nos. in Microsoft Dynamics 365 Business Central

  1. In Microsoft Dynamics 365 Business Central, search for the term "No. Series"
  2. Scroll down to Vendors
  3. Select the check box to enable Manual Nos. for this row.
  4. Sync again