Flow price: --
f281cb9a165b94a2c7f082ae4974b66e3bc68b5c59ca2d906af2650c5861888f

Transaction

Hash: f281cb9a165b94a2c7f082ae4974b66e3bc68b5c59ca2d906af2650c5861888f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f281cb9a165b94a2c7f082ae4974b66e3bc68b5c59ca2d906af2650c5861888f: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:
f281cb9a165b94a2c7f082ae4974b66e3bc68b5c59ca2d906af2650c5861888f
Status:
ERROR
Block height:
40057423
Block id:
619c7fe0856e03fb8db0f30f3d9ef9853f79fcd320ee9340876408c7fd826025
Timestamp:
Monday 31 October 2022 at 16:47:23 UTC
()
Proposer:
Authorizers:
Gas used:
51