Flow price: --
eb9af840d99b209cfe00e9eadbabb38287c28b3ee143c852907d7ffb60255807

Transaction

Hash: eb9af840d99b209cfe00e9eadbabb38287c28b3ee143c852907d7ffb60255807
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> eb9af840d99b209cfe00e9eadbabb38287c28b3ee143c852907d7ffb60255807:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
eb9af840d99b209cfe00e9eadbabb38287c28b3ee143c852907d7ffb60255807
Status:
ERROR
Block height:
40059256
Block id:
2a957fa4a4c883a8b951e7a527d9a0deeec11482f3ad05c6835a7a491f07b0d5
Timestamp:
Monday 31 October 2022 at 17:31:43 UTC
()
Proposer:
Authorizers:
Gas used:
49