Flow price: --
1149980d0e6e129bdb66a4cbe078ea23428eae068d9e3ada89e4ac4273fd3f9c

Transaction

Hash: 1149980d0e6e129bdb66a4cbe078ea23428eae068d9e3ada89e4ac4273fd3f9c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1149980d0e6e129bdb66a4cbe078ea23428eae068d9e3ada89e4ac4273fd3f9c: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:
1149980d0e6e129bdb66a4cbe078ea23428eae068d9e3ada89e4ac4273fd3f9c
Status:
ERROR
Block height:
40043712
Block id:
4cb54cce6b808546c2ae3e03d686b0c390cdca537d5c1d9c5c87a4f70b38ace5
Timestamp:
Monday 31 October 2022 at 11:14:17 UTC
()
Proposer:
Authorizers:
Gas used:
50