Flow price: --
d4512ae9914e4b788830859317180ed51c3cba5c9d6908ebbc3f8a336498b44c

Transaction

Hash: d4512ae9914e4b788830859317180ed51c3cba5c9d6908ebbc3f8a336498b44c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d4512ae9914e4b788830859317180ed51c3cba5c9d6908ebbc3f8a336498b44c: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:
d4512ae9914e4b788830859317180ed51c3cba5c9d6908ebbc3f8a336498b44c
Status:
ERROR
Block height:
40061654
Block id:
e3a256aadc4bceb9b3c30921df483db4ad3298c3c8506d2f66ab90eb27750327
Timestamp:
Monday 31 October 2022 at 18:29:28 UTC
()
Proposer:
Authorizers:
Gas used:
50