Flow price: --
7b9e85936aea4ab53245cf61d5285f3a5baa5a7abda5088466c6ee86d053d525

Transaction

Hash: 7b9e85936aea4ab53245cf61d5285f3a5baa5a7abda5088466c6ee86d053d525
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7b9e85936aea4ab53245cf61d5285f3a5baa5a7abda5088466c6ee86d053d525:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
7b9e85936aea4ab53245cf61d5285f3a5baa5a7abda5088466c6ee86d053d525
Status:
ERROR
Block height:
40116457
Block id:
1a00ccb1fd99ff68426e421a314a378635b693f9d47842e7d45e59f269a69882
Timestamp:
Tuesday 1 November 2022 at 16:34:52 UTC
()
Proposer:
Authorizers:
Gas used:
46