Flow price: --
7570463b002e1b75082cc599a8f83ed00245d889bbd2d7c52e1b8a1b660f49f3

Transaction

Hash: 7570463b002e1b75082cc599a8f83ed00245d889bbd2d7c52e1b8a1b660f49f3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7570463b002e1b75082cc599a8f83ed00245d889bbd2d7c52e1b8a1b660f49f3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
7570463b002e1b75082cc599a8f83ed00245d889bbd2d7c52e1b8a1b660f49f3
Status:
ERROR
Block height:
40121658
Block id:
ec72b72876bdb4c36681de1058ec63f73f262692caa8990a2d805b5f95e03b1a
Timestamp:
Tuesday 1 November 2022 at 18:41:09 UTC
()
Proposer:
Authorizers:
Gas used:
46