Flow price: --
75a05bb107cde61a2a25da485765b6a347287a7b160f8c888aae31c08d1d9926

Transaction

Hash: 75a05bb107cde61a2a25da485765b6a347287a7b160f8c888aae31c08d1d9926
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 75a05bb107cde61a2a25da485765b6a347287a7b160f8c888aae31c08d1d9926:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
75a05bb107cde61a2a25da485765b6a347287a7b160f8c888aae31c08d1d9926
Status:
ERROR
Block height:
39920640
Block id:
5fe116be656d26cd55b745fa18abfc1da6eaa317e7b2fda7a6de87d476eb4a4b
Timestamp:
Saturday 29 October 2022 at 10:02:14 UTC
()
Proposer:
Authorizers:
Gas used:
48