Flow price: --
b1a2a411303f3b1b808ee47aaef14d24b955b9d60ca4caad798de438fe30d155

Transaction

Hash: b1a2a411303f3b1b808ee47aaef14d24b955b9d60ca4caad798de438fe30d155
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b1a2a411303f3b1b808ee47aaef14d24b955b9d60ca4caad798de438fe30d155:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b1a2a411303f3b1b808ee47aaef14d24b955b9d60ca4caad798de438fe30d155
Status:
ERROR
Block height:
40120022
Block id:
dcbfc7ad1c94bc7fe41d9804cb377faedec3418485f0582e96aa2824345ea67b
Timestamp:
Tuesday 1 November 2022 at 18:01:41 UTC
()
Proposer:
Authorizers:
Gas used:
46