Flow price: --
59d9033e237294c60e57ddf206532cbb81a31955a9515fd29f8a30773e59aa3a

Transaction

Hash: 59d9033e237294c60e57ddf206532cbb81a31955a9515fd29f8a30773e59aa3a
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 59d9033e237294c60e57ddf206532cbb81a31955a9515fd29f8a30773e59aa3a: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:
59d9033e237294c60e57ddf206532cbb81a31955a9515fd29f8a30773e59aa3a
Status:
ERROR
Block height:
39879595
Block id:
eaeab1cc114f4bacb274ddb27e283d9e77ec3291aa4125d011eaff5bd70e33ad
Timestamp:
Friday 28 October 2022 at 17:39:41 UTC
()
Proposer:
Authorizers:
Gas used:
48