Flow price: --
b6df13168f8461d6c540fa3c2992b54086350d538d38f5c40c9fc44bea51b318

Transaction

Hash: b6df13168f8461d6c540fa3c2992b54086350d538d38f5c40c9fc44bea51b318
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b6df13168f8461d6c540fa3c2992b54086350d538d38f5c40c9fc44bea51b318:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b6df13168f8461d6c540fa3c2992b54086350d538d38f5c40c9fc44bea51b318
Status:
ERROR
Block height:
40119257
Block id:
61ae8f782bda84170aa039ef762b48231d412a1aea9b315a657b487290720014
Timestamp:
Tuesday 1 November 2022 at 17:43:07 UTC
()
Proposer:
Authorizers:
Gas used:
65