Flow price: --
a18bfebdf9f152a5b0c8d5b4f7fd119030dbe4032491beb3efb75d00dafb2265

Transaction

Hash: a18bfebdf9f152a5b0c8d5b4f7fd119030dbe4032491beb3efb75d00dafb2265
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a18bfebdf9f152a5b0c8d5b4f7fd119030dbe4032491beb3efb75d00dafb2265:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a18bfebdf9f152a5b0c8d5b4f7fd119030dbe4032491beb3efb75d00dafb2265
Status:
ERROR
Block height:
40056361
Block id:
63f05d1b8b6db4c27c52428c1698e5dc99fb166601e771c8304d2f5800376905
Timestamp:
Monday 31 October 2022 at 16:21:03 UTC
()
Proposer:
Authorizers:
Gas used:
47