Flow price: --
30b7917c4edadaa31a876c35afdcb3d55150d3f47405c9f14558afc30e7bfe46

Transaction

Hash: 30b7917c4edadaa31a876c35afdcb3d55150d3f47405c9f14558afc30e7bfe46
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 30b7917c4edadaa31a876c35afdcb3d55150d3f47405c9f14558afc30e7bfe46:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
30b7917c4edadaa31a876c35afdcb3d55150d3f47405c9f14558afc30e7bfe46
Status:
ERROR
Block height:
39790893
Block id:
277a133222bf9a4495f24f6d1e5a42fcd945ff08c9bafbb679dde17736f8cd9b
Timestamp:
Thursday 27 October 2022 at 05:54:24 UTC
()
Proposer:
Authorizers:
Gas used:
49