Flow price: --
d162fa22e47d259668ccd98da76103d0f778fd31fbad6e9746f2d209fa5e4168

Transaction

Hash: d162fa22e47d259668ccd98da76103d0f778fd31fbad6e9746f2d209fa5e4168
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d162fa22e47d259668ccd98da76103d0f778fd31fbad6e9746f2d209fa5e4168:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d162fa22e47d259668ccd98da76103d0f778fd31fbad6e9746f2d209fa5e4168
Status:
ERROR
Block height:
40021072
Block id:
e3093ef048d3ff15c4a5c924c671cf02d23602f1eb03d7b696dc25d5b6c554cf
Timestamp:
Monday 31 October 2022 at 02:07:56 UTC
()
Proposer:
Authorizers:
Gas used:
48