It seems that sometimes this happens when there are modules or blocks that are referenced in the database but no longer in the moodle directory. Have a look and add any modules or blocks back in that are being looked for.
Good luck,
Tim.
Moodle community sites
Moodle documentation: Deleting Moodle Features Demo
ဆွေးနွေးပွဲ သော့ခတ်ထားသောကြောင့် အကြောင်းပြန်၍ မရတော့ပါ။