QB Issue Resolution:

Hi msmandi71,

Currently our server has crashed and we are working to bring the site backup as quickly as possible.

We appreciate your patience and apologize for the inconvenience.

I’ll keep you informed once everything is up and running.

Resolution for Issue 'Error: unable to communicate with sync manager' available: Yes (Solved).
Source: Intuit Community forum.

Error: unable to communicate with sync manager: this issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the issue yourself by looking for a resolution described below. If it is a complex issue or you are unable to solve the issue, you may contact us by clicking here or by using other support options.

Support for intuit sync manager
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Error Recovery for intuit sync manager [Canada]
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