Flow price: --
c1e938832ddd0273f425ec73524b91d6dea56d3d2dc0795558d300d91cfb91ad

Transaction

Hash: c1e938832ddd0273f425ec73524b91d6dea56d3d2dc0795558d300d91cfb91ad
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c1e938832ddd0273f425ec73524b91d6dea56d3d2dc0795558d300d91cfb91ad: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:
c1e938832ddd0273f425ec73524b91d6dea56d3d2dc0795558d300d91cfb91ad
Status:
ERROR
Block height:
39910814
Block id:
999d5cce39a807e8fabd6015470b21c1f2955d2812f3a13a106f3db3bad64093
Timestamp:
Saturday 29 October 2022 at 06:05:23 UTC
()
Proposer:
Authorizers:
Gas used:
47