sub-panels disappeared in accounts module

[agcilantro]

When I open my account module and look at the detail of an individual record, the sub-panels don't show up. Instead I get the following message:

Error running count query for Account List: Query Failed:( SELECT count(*) c FROM project LEFT JOIN users jt0 ON jt0.id= project.assigned_user_id AND jt0.deleted=0 AND jt0.deleted=0 INNER JOIN project_relation ON (project.id=project_relation.project_id AND project_relation.relation_id= '4b5cbc99-bcb2-136b-7d26-4b7b47bd510e' AND project_relation.relation_type='Accounts') where ( project_relation.deleted=0 AND project.deleted=0) AND project.deleted=0 )::MySQL error 1146:

All of my sub-panels have disappeared, but the accounts is the most important for me right now.

My sugarcrm is the community edition, hosted on siteground.

[andopes]

Did you modify anything into your system?
I mean, customization, installed package?

Cheers

[agcilantro]

Thanks for your response. Yes, I have call center and a product module, and recently installed and uninstalled a google calendar module.
The call center and product modules were installed over 2 years ago.