Flow price: --
d5a299d36e840f44d4162f8d1abd8764e08e40d4dc77877a48ffb985006b2483

Transaction

Hash: d5a299d36e840f44d4162f8d1abd8764e08e40d4dc77877a48ffb985006b2483
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d5a299d36e840f44d4162f8d1abd8764e08e40d4dc77877a48ffb985006b2483:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d5a299d36e840f44d4162f8d1abd8764e08e40d4dc77877a48ffb985006b2483
Status:
ERROR
Block height:
40138408
Block id:
8a41314e3a0ce5a1aa8d6a3688ab2d8ea2316ac79e1816d52bc361f281b50ef2
Timestamp:
Wednesday 2 November 2022 at 01:31:49 UTC
()
Proposer:
Authorizers:
Gas used:
46