Flow price: --
b648681c392501c83ad0a8446e1d1f226777e62b02dd90bbc067a665464c288c

Transaction

Hash: b648681c392501c83ad0a8446e1d1f226777e62b02dd90bbc067a665464c288c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b648681c392501c83ad0a8446e1d1f226777e62b02dd90bbc067a665464c288c: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:
b648681c392501c83ad0a8446e1d1f226777e62b02dd90bbc067a665464c288c
Status:
ERROR
Block height:
39799245
Block id:
674993328e961dd30bf0cb818fe403ef787213bebb6a927d86769e9ca32edd12
Timestamp:
Thursday 27 October 2022 at 09:17:20 UTC
()
Proposer:
Authorizers:
Gas used:
47