Flow price: --
9c9ca8067fb29eb5385c2bb8624917e06451699abec3ff46b63f648b8065d312

Transaction

Hash: 9c9ca8067fb29eb5385c2bb8624917e06451699abec3ff46b63f648b8065d312
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9c9ca8067fb29eb5385c2bb8624917e06451699abec3ff46b63f648b8065d312:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
9c9ca8067fb29eb5385c2bb8624917e06451699abec3ff46b63f648b8065d312
Status:
ERROR
Block height:
39910442
Block id:
e45f3b348c8952e2d00e6eef0becf41f8ad59145924cedf2e7de486a42831f11
Timestamp:
Saturday 29 October 2022 at 05:56:11 UTC
()
Proposer:
Authorizers:
Gas used:
46