Flow price: --
3ee05e9eda9a83ccdb5c3c61d1815fefad657d5c0e2b1e679980fd509ff07857

Transaction

Hash: 3ee05e9eda9a83ccdb5c3c61d1815fefad657d5c0e2b1e679980fd509ff07857
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3ee05e9eda9a83ccdb5c3c61d1815fefad657d5c0e2b1e679980fd509ff07857:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
3ee05e9eda9a83ccdb5c3c61d1815fefad657d5c0e2b1e679980fd509ff07857
Status:
ERROR
Block height:
39936039
Block id:
0cd5f08e66852b815e6e517c2088ac85a8c9286d5de36f24a9a99742b560e57e
Timestamp:
Saturday 29 October 2022 at 16:16:21 UTC
()
Proposer:
Authorizers:
Gas used:
46