Flow price: --
9e1e4c581a4e989631a49befcf8eb06b43729b76475ef1c5031865253608b353

Transaction

Hash: 9e1e4c581a4e989631a49befcf8eb06b43729b76475ef1c5031865253608b353
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9e1e4c581a4e989631a49befcf8eb06b43729b76475ef1c5031865253608b353:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
9e1e4c581a4e989631a49befcf8eb06b43729b76475ef1c5031865253608b353
Status:
ERROR
Block height:
40120846
Block id:
4d912e6fb0f6649f1376d821805a21605ea9882993442044bea2dbf0794cb682
Timestamp:
Tuesday 1 November 2022 at 18:21:49 UTC
()
Proposer:
Authorizers:
Gas used:
49