Flow price: --
02ded93710ac60aa5455baab8548a6e8cfb85f506ea9254f81a6f6fabc821dce

Transaction

Hash: 02ded93710ac60aa5455baab8548a6e8cfb85f506ea9254f81a6f6fabc821dce
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 02ded93710ac60aa5455baab8548a6e8cfb85f506ea9254f81a6f6fabc821dce: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:
02ded93710ac60aa5455baab8548a6e8cfb85f506ea9254f81a6f6fabc821dce
Status:
ERROR
Block height:
39871574
Block id:
68db3662969a639fe597fccbd3c70902504ccb31c19e35e6786ad078d6a0e3ee
Timestamp:
Friday 28 October 2022 at 14:27:48 UTC
()
Proposer:
Authorizers:
Gas used:
48