Flow price: --
561e09ef801885023e9ffef40eeb6a7cc9aec010ddb85f5474eca87173859184

Transaction

Hash: 561e09ef801885023e9ffef40eeb6a7cc9aec010ddb85f5474eca87173859184
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 561e09ef801885023e9ffef40eeb6a7cc9aec010ddb85f5474eca87173859184:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
561e09ef801885023e9ffef40eeb6a7cc9aec010ddb85f5474eca87173859184
Status:
ERROR
Block height:
40134724
Block id:
2a302be6dbf146c103d5a8a497e5487557201ff4c23045b63e5294b645219ad0
Timestamp:
Wednesday 2 November 2022 at 00:02:47 UTC
()
Proposer:
Authorizers:
Gas used:
46