Wǒ de shēnfènzhèng diū le, děi qù pàichūsuǒ bǔbàn.
I lost my ID card and need to go to the police station to get a replacement.
Tips
usage
补 (to patch/make up) + 办 (to handle) - the literal logic is 'to handle the thing that's missing'. Very common for replacing lost IDs, passports, credit cards, or holding a ceremony that didn't happen at the proper time.