Flow price: --
d824a3e5fce683dafaa6a3581c6cc86036299b9fc34196b7983ca22a072a4446

Transaction

Hash: d824a3e5fce683dafaa6a3581c6cc86036299b9fc34196b7983ca22a072a4446
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d824a3e5fce683dafaa6a3581c6cc86036299b9fc34196b7983ca22a072a4446:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d824a3e5fce683dafaa6a3581c6cc86036299b9fc34196b7983ca22a072a4446
Status:
ERROR
Block height:
40057338
Block id:
a1b4f7fe18a1566e68457a0fbd571308aa5a32818c38219784ff4a234960de37
Timestamp:
Monday 31 October 2022 at 16:45:12 UTC
()
Proposer:
Authorizers:
Gas used:
50