Flow price: --
865534b684ab87e7b42b0cacbe0b0fb0f7d9fda7e79713e7b7357460d4cdd000

Transaction

Hash: 865534b684ab87e7b42b0cacbe0b0fb0f7d9fda7e79713e7b7357460d4cdd000
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 865534b684ab87e7b42b0cacbe0b0fb0f7d9fda7e79713e7b7357460d4cdd000:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
865534b684ab87e7b42b0cacbe0b0fb0f7d9fda7e79713e7b7357460d4cdd000
Status:
ERROR
Block height:
40150242
Block id:
8efca8a96f21e087121c502d9c593d65c8653eb5402ce95d9a7812a74c1c9a99
Timestamp:
Wednesday 2 November 2022 at 06:20:15 UTC
()
Proposer:
Authorizers:
Gas used:
49