Flow price: --
bd57fdcca21c70e77a06968f4a3bc39477d861e14e561bbc955977e6daf8db87

Transaction

Hash: bd57fdcca21c70e77a06968f4a3bc39477d861e14e561bbc955977e6daf8db87
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> bd57fdcca21c70e77a06968f4a3bc39477d861e14e561bbc955977e6daf8db87:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
bd57fdcca21c70e77a06968f4a3bc39477d861e14e561bbc955977e6daf8db87
Status:
ERROR
Block height:
40059114
Block id:
1353118a6089b2109ead60886853dbca1874434dddaf05ea1062cc65d86ac683
Timestamp:
Monday 31 October 2022 at 17:28:13 UTC
()
Proposer:
Authorizers:
Gas used:
47