After isolating the inventory module that fails, the Performance Inventory is identified as the one that keeps failing.
Performance Inventory is managed by the binary called "pcmtouam1.exe", this file comes from an older release, when the module was called Performance Lite Agent.
Looking into Domain Manager install folder, on the binaries path ..CA\DSM\Bin, this file is missing, that's because this module was removed on 12.9 release.