Flow price: --
4fe88dcfea3aa217b9aa0aa73828a8e61eb98455a33d5dcd97667757b694c169

Transaction

Hash: 4fe88dcfea3aa217b9aa0aa73828a8e61eb98455a33d5dcd97667757b694c169
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4fe88dcfea3aa217b9aa0aa73828a8e61eb98455a33d5dcd97667757b694c169:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4fe88dcfea3aa217b9aa0aa73828a8e61eb98455a33d5dcd97667757b694c169
Status:
ERROR
Block height:
39984080
Block id:
55500c33344d746e858fa8af46c7a4f4cec3985f9ae3a77b94b829117941db69
Timestamp:
Sunday 30 October 2022 at 11:23:12 UTC
()
Proposer:
Authorizers:
Gas used:
50