Flow price: --
85a694b5a244b8fe0c2bada672814d1e07abb915ef89b4c190ccad7972c430b2

Transaction

Hash: 85a694b5a244b8fe0c2bada672814d1e07abb915ef89b4c190ccad7972c430b2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 85a694b5a244b8fe0c2bada672814d1e07abb915ef89b4c190ccad7972c430b2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
85a694b5a244b8fe0c2bada672814d1e07abb915ef89b4c190ccad7972c430b2
Status:
ERROR
Block height:
40165873
Block id:
2672918730262bed2dacd937b6a80780ebc9c270ce575e1e3a6172295513cda7
Timestamp:
Wednesday 2 November 2022 at 12:40:37 UTC
()
Proposer:
Authorizers:
Gas used:
46