Flow price: --
5539316ad1b05ccd10779ce4207f8808ec5378957fa11fd359f44f0e0da3fc80

Transaction

Hash: 5539316ad1b05ccd10779ce4207f8808ec5378957fa11fd359f44f0e0da3fc80
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5539316ad1b05ccd10779ce4207f8808ec5378957fa11fd359f44f0e0da3fc80:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
5539316ad1b05ccd10779ce4207f8808ec5378957fa11fd359f44f0e0da3fc80
Status:
ERROR
Block height:
40032864
Block id:
d85eedb07e97e7be2c7b798868de3b773428fe110d1fbb3ee3c0148e1d1f661f
Timestamp:
Monday 31 October 2022 at 06:52:43 UTC
()
Proposer:
Authorizers:
Gas used:
51