Flow price: --
7bac4338258285ffc6033b7632c0cb0fb9f8701f5f9e23d374ff6f7f83e3e462

Transaction

Hash: 7bac4338258285ffc6033b7632c0cb0fb9f8701f5f9e23d374ff6f7f83e3e462
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7bac4338258285ffc6033b7632c0cb0fb9f8701f5f9e23d374ff6f7f83e3e462:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
7bac4338258285ffc6033b7632c0cb0fb9f8701f5f9e23d374ff6f7f83e3e462
Status:
ERROR
Block height:
40054679
Block id:
d6298fa50f0144e19054b8c8571d8a29ad1d9405985184933267ee3f801df114
Timestamp:
Monday 31 October 2022 at 15:39:47 UTC
()
Proposer:
Authorizers:
Gas used:
48