Flow price: --
77afc1ed3b821e21e5820a7d0399a6974c79eabff4c05feb5c5e89fd6dd730c8

Transaction

Hash: 77afc1ed3b821e21e5820a7d0399a6974c79eabff4c05feb5c5e89fd6dd730c8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 77afc1ed3b821e21e5820a7d0399a6974c79eabff4c05feb5c5e89fd6dd730c8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
77afc1ed3b821e21e5820a7d0399a6974c79eabff4c05feb5c5e89fd6dd730c8
Status:
ERROR
Block height:
39863494
Block id:
f9de7ca79031e2ab7c86e94e6178acf19a17f6311500a3aacdabb49085117e0e
Timestamp:
Friday 28 October 2022 at 11:13:11 UTC
()
Proposer:
Authorizers:
Gas used:
48