Flow price: --
f8ad614c4f11a84a889f3e711f2d12e3eabc91de514d8e9a05170e52870188df

Transaction

Hash: f8ad614c4f11a84a889f3e711f2d12e3eabc91de514d8e9a05170e52870188df
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f8ad614c4f11a84a889f3e711f2d12e3eabc91de514d8e9a05170e52870188df: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:
f8ad614c4f11a84a889f3e711f2d12e3eabc91de514d8e9a05170e52870188df
Status:
ERROR
Block height:
39876367
Block id:
109d6e8b0eb9f203e82916692cc98be993329b09faed21e385c595c571998fe3
Timestamp:
Friday 28 October 2022 at 16:22:28 UTC
()
Proposer:
Authorizers:
Gas used:
46