Flow price: --
a8ed80c9b957bbd0f582582455480be8b6550eb3934bd6170a2d0f5f496e3b40

Transaction

Hash: a8ed80c9b957bbd0f582582455480be8b6550eb3934bd6170a2d0f5f496e3b40
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a8ed80c9b957bbd0f582582455480be8b6550eb3934bd6170a2d0f5f496e3b40:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a8ed80c9b957bbd0f582582455480be8b6550eb3934bd6170a2d0f5f496e3b40
Status:
ERROR
Block height:
40086549
Block id:
04ba4c7fef506ef9e49c1f17d0d7dc6102d6b78d88a0790d22c89a3818714d5c
Timestamp:
Tuesday 1 November 2022 at 04:27:20 UTC
()
Proposer:
Authorizers:
Gas used:
47