Flow price: --
f104bc7050544e7ff12abb08e8475b5345ad35987c165a3ab566f0a9613f0fc3

Transaction

Hash: f104bc7050544e7ff12abb08e8475b5345ad35987c165a3ab566f0a9613f0fc3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f104bc7050544e7ff12abb08e8475b5345ad35987c165a3ab566f0a9613f0fc3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f104bc7050544e7ff12abb08e8475b5345ad35987c165a3ab566f0a9613f0fc3
Status:
ERROR
Block height:
40074296
Block id:
779a5c823008ccd1bbbc5845827e771387e38d96eaa7b924ca2b439b298e11ee
Timestamp:
Monday 31 October 2022 at 23:31:21 UTC
()
Proposer:
Authorizers:
Gas used:
46