Flow price: --
e217bb5a4e8d990b2258965e628acc6714a5b0ddccc650b56daf53bbbe890be7

Transaction

Hash: e217bb5a4e8d990b2258965e628acc6714a5b0ddccc650b56daf53bbbe890be7
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> e217bb5a4e8d990b2258965e628acc6714a5b0ddccc650b56daf53bbbe890be7:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
e217bb5a4e8d990b2258965e628acc6714a5b0ddccc650b56daf53bbbe890be7
Status:
ERROR
Block height:
39852958
Block id:
14865bb4a65c1918c852384c4b38120973699087b2bd8f4233ec12d203e08c48
Timestamp:
Friday 28 October 2022 at 06:57:58 UTC
()
Proposer:
Authorizers:
Gas used:
67