Flow price: --
41cfbd085da0bcdfacffaf6f0a0eeeeacc2c7797ce0b155a33e0d286c7a4af1c

Transaction

Hash: 41cfbd085da0bcdfacffaf6f0a0eeeeacc2c7797ce0b155a33e0d286c7a4af1c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 41cfbd085da0bcdfacffaf6f0a0eeeeacc2c7797ce0b155a33e0d286c7a4af1c: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:
41cfbd085da0bcdfacffaf6f0a0eeeeacc2c7797ce0b155a33e0d286c7a4af1c
Status:
ERROR
Block height:
40093280
Block id:
f16e1d55f69678d17b4686cd20c521127ab52e8c0b87a3517dc0a3d1b2d3e8e5
Timestamp:
Tuesday 1 November 2022 at 07:11:39 UTC
()
Proposer:
Authorizers:
Gas used:
48