Flow price: --
11b873bd59153ed839220da6efc8e8d888c799dd7d72979e882035b6d6d778b5

Transaction

Hash: 11b873bd59153ed839220da6efc8e8d888c799dd7d72979e882035b6d6d778b5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 11b873bd59153ed839220da6efc8e8d888c799dd7d72979e882035b6d6d778b5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
11b873bd59153ed839220da6efc8e8d888c799dd7d72979e882035b6d6d778b5
Status:
ERROR
Block height:
39876865
Block id:
e0a249b26209dee8449deb79fc6300e77a0856122986fed99824e235ebd995d6
Timestamp:
Friday 28 October 2022 at 16:34:09 UTC
()
Proposer:
Authorizers:
Gas used:
47