Flow price: --
ac438f4b0d502530e12001e502dc27aa030b4eef940669f8870eeac7ba6a6229

Transaction

Hash: ac438f4b0d502530e12001e502dc27aa030b4eef940669f8870eeac7ba6a6229
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> ac438f4b0d502530e12001e502dc27aa030b4eef940669f8870eeac7ba6a6229:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
ac438f4b0d502530e12001e502dc27aa030b4eef940669f8870eeac7ba6a6229
Status:
ERROR
Block height:
40093281
Block id:
b05eef0e56bb36ee3d87683fa94851ff179f5f8d86a6aa05175098ea3da77d63
Timestamp:
Tuesday 1 November 2022 at 07:11:40 UTC
()
Proposer:
Authorizers:
Gas used:
47