Flow price: --
d7dca2dc94c81d864d24bc91d5efc4994d925ebd79c3394d6d42670a1e467141

Transaction

Hash: d7dca2dc94c81d864d24bc91d5efc4994d925ebd79c3394d6d42670a1e467141
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d7dca2dc94c81d864d24bc91d5efc4994d925ebd79c3394d6d42670a1e467141:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d7dca2dc94c81d864d24bc91d5efc4994d925ebd79c3394d6d42670a1e467141
Status:
ERROR
Block height:
40035039
Block id:
154efeacc11ce7be8c7c99d8d28891ad222917c9d5b9f346e69bfafbd9fc6323
Timestamp:
Monday 31 October 2022 at 07:44:29 UTC
()
Proposer:
Authorizers:
Gas used:
49