Flow price: --
2bc9bb67a5bbfc1095a8e1fdd98d8520968318d2ecf763aaa30095b0f20d7450

Transaction

Hash: 2bc9bb67a5bbfc1095a8e1fdd98d8520968318d2ecf763aaa30095b0f20d7450
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2bc9bb67a5bbfc1095a8e1fdd98d8520968318d2ecf763aaa30095b0f20d7450:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
2bc9bb67a5bbfc1095a8e1fdd98d8520968318d2ecf763aaa30095b0f20d7450
Status:
ERROR
Block height:
39987939
Block id:
a67dba2fe43b156c68204c0114b6d8b70ba44d95245cecd56605288aa5f84fca
Timestamp:
Sunday 30 October 2022 at 12:56:11 UTC
()
Proposer:
Authorizers:
Gas used:
49