Flow price: --
cf99963e87ca9a0ce80828feed8b97839e9266c2a6fd966fe5bf9835abc5fa5f

Transaction

Hash: cf99963e87ca9a0ce80828feed8b97839e9266c2a6fd966fe5bf9835abc5fa5f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> cf99963e87ca9a0ce80828feed8b97839e9266c2a6fd966fe5bf9835abc5fa5f: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:
cf99963e87ca9a0ce80828feed8b97839e9266c2a6fd966fe5bf9835abc5fa5f
Status:
ERROR
Block height:
40030249
Block id:
267cf06a4e17b53c8dcf39994543de3cb48ec7b46ebe508cd779da3eb23f12c5
Timestamp:
Monday 31 October 2022 at 05:49:15 UTC
()
Proposer:
Authorizers:
Gas used:
47