Flow price: --
c8766aa15bc0cb89b4f486bb3b28cb5e18ae8953f6fe5d3a7f420d025fb47857

Transaction

Hash: c8766aa15bc0cb89b4f486bb3b28cb5e18ae8953f6fe5d3a7f420d025fb47857
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c8766aa15bc0cb89b4f486bb3b28cb5e18ae8953f6fe5d3a7f420d025fb47857:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c8766aa15bc0cb89b4f486bb3b28cb5e18ae8953f6fe5d3a7f420d025fb47857
Status:
ERROR
Block height:
40094110
Block id:
9c20701ad8a7a076bf7f43382951aed8f0c6cf3d6ef003d03ea3173700320b0b
Timestamp:
Tuesday 1 November 2022 at 07:31:46 UTC
()
Proposer:
Authorizers:
Gas used:
50