Flow price: --
80b29d166e1b576e71609a251bd5917c2e42e85730f879d5cf4c3d0be8f33de2

Transaction

Hash: 80b29d166e1b576e71609a251bd5917c2e42e85730f879d5cf4c3d0be8f33de2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 80b29d166e1b576e71609a251bd5917c2e42e85730f879d5cf4c3d0be8f33de2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
80b29d166e1b576e71609a251bd5917c2e42e85730f879d5cf4c3d0be8f33de2
Status:
ERROR
Block height:
39810946
Block id:
a6b41c902da9e7879f585eb3251891ff981ebde32a6e09d419a640d44e1e04ae
Timestamp:
Thursday 27 October 2022 at 14:00:46 UTC
()
Proposer:
Authorizers:
Gas used:
47