Flow price: --
43ea160d71487530c58d67a0cb25dc14d9811f9899fc1b600330dda917914669

Transaction

Hash: 43ea160d71487530c58d67a0cb25dc14d9811f9899fc1b600330dda917914669
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 43ea160d71487530c58d67a0cb25dc14d9811f9899fc1b600330dda917914669:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
43ea160d71487530c58d67a0cb25dc14d9811f9899fc1b600330dda917914669
Status:
ERROR
Block height:
39925960
Block id:
555bdcacd5885bf7fee89e5897f1582bcc0e412da43ffde5ff7da3b2f8a9c6bb
Timestamp:
Saturday 29 October 2022 at 12:11:01 UTC
()
Proposer:
Authorizers:
Gas used:
47