Flow price: --
5d92baf974f9e6c6e09ce3247b76e10e367702e8af440e5c66b1fdb1aafb7571

Transaction

Hash: 5d92baf974f9e6c6e09ce3247b76e10e367702e8af440e5c66b1fdb1aafb7571
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] error caused by: 1 error occurred:
	* transaction invocation failed when executing transaction: [Error Code: 1101] cadence runtime error: Execution failed:
  --> 5d92baf974f9e6c6e09ce3247b76e10e367702e8af440e5c66b1fdb1aafb7571:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:24


Hash:
5d92baf974f9e6c6e09ce3247b76e10e367702e8af440e5c66b1fdb1aafb7571
Status:
ERROR
Block height:
40231367
Block id:
8373f6eef72a8d331da41b02951924ccd0452adef2068fcb1abfa433de29b368
Timestamp:
Thursday 3 November 2022 at 15:47:21 UTC
()
Proposer:
Authorizers:
Gas used:
25