Flow price: --
bd3a4b44155e2bc7fbe4d30a2d3d7951d431dee01b913f0ed2e13541e235c6c2

Transaction

Hash: bd3a4b44155e2bc7fbe4d30a2d3d7951d431dee01b913f0ed2e13541e235c6c2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> bd3a4b44155e2bc7fbe4d30a2d3d7951d431dee01b913f0ed2e13541e235c6c2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
bd3a4b44155e2bc7fbe4d30a2d3d7951d431dee01b913f0ed2e13541e235c6c2
Status:
ERROR
Block height:
39796845
Block id:
2164a0e746d9fc0b856c7cf4f33c45fb3c695b35f41aabd8ba45091c38932ded
Timestamp:
Thursday 27 October 2022 at 08:18:58 UTC
()
Proposer:
Authorizers:
Gas used:
47