Flow price: --
bd0a40ee9ba8c75b39a43058ad05a89221a140a046fcdf8045b2e37f0705d13f

Transaction

Hash: bd0a40ee9ba8c75b39a43058ad05a89221a140a046fcdf8045b2e37f0705d13f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> bd0a40ee9ba8c75b39a43058ad05a89221a140a046fcdf8045b2e37f0705d13f: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:
bd0a40ee9ba8c75b39a43058ad05a89221a140a046fcdf8045b2e37f0705d13f
Status:
ERROR
Block height:
39983943
Block id:
792e4d4defc08372e7701f3a10036db9a755b1145599ae34438581f39efc5372
Timestamp:
Sunday 30 October 2022 at 11:19:54 UTC
()
Proposer:
Authorizers:
Gas used:
46