Flow price: --
3f1586db5d93b96b4e9c1e4766f3af0b598ccc912a6c18d7b82459b708edcbd5

Transaction

Hash: 3f1586db5d93b96b4e9c1e4766f3af0b598ccc912a6c18d7b82459b708edcbd5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3f1586db5d93b96b4e9c1e4766f3af0b598ccc912a6c18d7b82459b708edcbd5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
3f1586db5d93b96b4e9c1e4766f3af0b598ccc912a6c18d7b82459b708edcbd5
Status:
ERROR
Block height:
40121441
Block id:
380ff45c5c714562009b9d1937cdb35d98ac314588a83505523383ac9817bd8b
Timestamp:
Tuesday 1 November 2022 at 18:35:51 UTC
()
Proposer:
Authorizers:
Gas used:
46