Flow price: --
fe28aaaf5b1da79a4cf6c73b55b82340f2dbfd8c4c08662b95ddc1b545375421

Transaction

Hash: fe28aaaf5b1da79a4cf6c73b55b82340f2dbfd8c4c08662b95ddc1b545375421
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> fe28aaaf5b1da79a4cf6c73b55b82340f2dbfd8c4c08662b95ddc1b545375421:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
fe28aaaf5b1da79a4cf6c73b55b82340f2dbfd8c4c08662b95ddc1b545375421
Status:
ERROR
Block height:
39942597
Block id:
3af4746455536ef6c243617cb86fecf6fb0adf8cc9eaeddcbb4d960ab77b6eef
Timestamp:
Saturday 29 October 2022 at 18:54:04 UTC
()
Proposer:
Authorizers:
Gas used:
50