Flow price: --
2b21e13af64d82c45b3391667efeb77f0c218363245e290c9913814e5938fbd0

Transaction

Hash: 2b21e13af64d82c45b3391667efeb77f0c218363245e290c9913814e5938fbd0
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2b21e13af64d82c45b3391667efeb77f0c218363245e290c9913814e5938fbd0:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
2b21e13af64d82c45b3391667efeb77f0c218363245e290c9913814e5938fbd0
Status:
ERROR
Block height:
40119396
Block id:
ebd9c4d4aca3b24b412870f302524bbac89efb31b8ddbdf28ca8f1d56b3fa88b
Timestamp:
Tuesday 1 November 2022 at 17:46:29 UTC
()
Proposer:
Authorizers:
Gas used:
48