Flow price: --
1f4fb3f0fc62e283b538e8510b5065fd80fb42122545dd6278a1dabf42e03992

Transaction

Hash: 1f4fb3f0fc62e283b538e8510b5065fd80fb42122545dd6278a1dabf42e03992
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1f4fb3f0fc62e283b538e8510b5065fd80fb42122545dd6278a1dabf42e03992:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1f4fb3f0fc62e283b538e8510b5065fd80fb42122545dd6278a1dabf42e03992
Status:
ERROR
Block height:
39938511
Block id:
f7f469b03ef5eaa601fa2d81f6bf4f3ce7ee35b0cfb7dca8e95866bc7f339d8a
Timestamp:
Saturday 29 October 2022 at 17:15:46 UTC
()
Proposer:
Authorizers:
Gas used:
47