Known Issue: Event Booking Error in Implementation

This issue exists as of Penelope 4.23.1.0

What happens?

An error is thrown when trying to book an event in Implementation, stating ERROR: invalid input syntax for integer: ""

Workaround?

1. Go to SA → MSExchange

2. Click Edit

3. Check 'Enable MsExchangeSync'

4. Choose one of Transports and enter some fake credentials

5. Click Save

6. Click Edit

7. Disable MsExchange Sync and Click Save