Flow price: --
c7f40facf94a5abd86b0023d574dc8dc875231d1a528c93d9bf0dc7d80399dd4

Transaction

Hash: c7f40facf94a5abd86b0023d574dc8dc875231d1a528c93d9bf0dc7d80399dd4
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c7f40facf94a5abd86b0023d574dc8dc875231d1a528c93d9bf0dc7d80399dd4:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c7f40facf94a5abd86b0023d574dc8dc875231d1a528c93d9bf0dc7d80399dd4
Status:
ERROR
Block height:
40160011
Block id:
befb0d8b2e4ccbd07e8ee3f830baaf5769eb577addbaa763793f7bebe676507b
Timestamp:
Wednesday 2 November 2022 at 10:18:45 UTC
()
Proposer:
Authorizers:
Gas used:
47