Odoo uses PostgreSQL as its database backend.
HRMS heavily relies on PDF reports (Payslips, Employee Contracts). We need wkhtmltopdf version 0.12.5. hrms 2.5 installation
Even seasoned admins encounter roadblocks. Here are the most frequent issues: Odoo uses PostgreSQL as its database backend
| Error | Probable Cause | Solution |
|-------|----------------|----------|
| Could not create database 'HRMS25_PROD' | SQL Server services not running OR insufficient dbcreator role | Start SQL Server service; grant sysadmin to svc_hrms temporarily |
| Timeout expired during schema generation | Slow disk I/O or insufficient tempdb space | Move tempdb to an SSD; increase initial size to 10 GB |
| HTTP Error 500.30 – ANCM In-Process Start Failure | .NET Core Runtime version mismatch | Install .NET 6.0 Hosting Bundle; restart IIS |
| Encryption key invalid | Key copied with extra spaces or line breaks | Paste into Notepad to clean formatting; retype manually |
| Biometric device not recognized | Missing driver for ZKTeco/Suprema devices | Install vendor’s SDK before HRMS 2.5 installation | HRMS heavily relies on PDF reports (Payslips, Employee