Flow price: --
a301fd3f52b91e69fc88b1b93b8c48ebddb2cf46a8b74b2bd620416a23f415b9

Transaction

Hash: a301fd3f52b91e69fc88b1b93b8c48ebddb2cf46a8b74b2bd620416a23f415b9
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a301fd3f52b91e69fc88b1b93b8c48ebddb2cf46a8b74b2bd620416a23f415b9:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a301fd3f52b91e69fc88b1b93b8c48ebddb2cf46a8b74b2bd620416a23f415b9
Status:
ERROR
Block height:
40130003
Block id:
047742c7470eb195250f980e5a599292ff31f3447daaeff5e1edf30df3f5992a
Timestamp:
Tuesday 1 November 2022 at 22:06:44 UTC
()
Proposer:
Authorizers:
Gas used:
49