Flow price: --
69fa7d8efa6ebfc12a05fd9c82d0113a8ee8fa9bd548bc47fee99d3d65a67f09

Transaction

Hash: 69fa7d8efa6ebfc12a05fd9c82d0113a8ee8fa9bd548bc47fee99d3d65a67f09
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 69fa7d8efa6ebfc12a05fd9c82d0113a8ee8fa9bd548bc47fee99d3d65a67f09:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
69fa7d8efa6ebfc12a05fd9c82d0113a8ee8fa9bd548bc47fee99d3d65a67f09
Status:
ERROR
Block height:
40034788
Block id:
531be85e569134be03083a3df78b4659fb6ee5344bb3e20778bd19d59ba8d42f
Timestamp:
Monday 31 October 2022 at 07:38:40 UTC
()
Proposer:
Authorizers:
Gas used:
50