Flow price: --
554f9c8d64d9b1ba2f33f7fd8c75c07d61d12e4345145ffad12ee043154a23d3

Transaction

Hash: 554f9c8d64d9b1ba2f33f7fd8c75c07d61d12e4345145ffad12ee043154a23d3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 554f9c8d64d9b1ba2f33f7fd8c75c07d61d12e4345145ffad12ee043154a23d3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
554f9c8d64d9b1ba2f33f7fd8c75c07d61d12e4345145ffad12ee043154a23d3
Status:
ERROR
Block height:
40141113
Block id:
32ca3e028260a7f96bfd563ba6bf3dbf09973d67119dbf3c7a12fc7950602038
Timestamp:
Wednesday 2 November 2022 at 02:37:57 UTC
()
Proposer:
Authorizers:
Gas used:
61