Flow price: --
731b54423ce967fcf3ec8ed2d5a476f34be77d3672212800d49b958f28967811

Transaction

Hash: 731b54423ce967fcf3ec8ed2d5a476f34be77d3672212800d49b958f28967811
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 731b54423ce967fcf3ec8ed2d5a476f34be77d3672212800d49b958f28967811:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
731b54423ce967fcf3ec8ed2d5a476f34be77d3672212800d49b958f28967811
Status:
ERROR
Block height:
40054518
Block id:
ccb6fa087006bbaeca135b2c8a1954b757f6cdc49ecae22e82fca2544157ca6c
Timestamp:
Monday 31 October 2022 at 15:35:56 UTC
()
Proposer:
Authorizers:
Gas used:
47