Flow price: --
c331c4172c9fc8b7b2ba13494b57f2d717bef7aca7bf0bdda07e4991dd1a9af5

Transaction

Hash: c331c4172c9fc8b7b2ba13494b57f2d717bef7aca7bf0bdda07e4991dd1a9af5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c331c4172c9fc8b7b2ba13494b57f2d717bef7aca7bf0bdda07e4991dd1a9af5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c331c4172c9fc8b7b2ba13494b57f2d717bef7aca7bf0bdda07e4991dd1a9af5
Status:
ERROR
Block height:
40052763
Block id:
2931f69edb03caa9cfbfc22a6b809cb7e6a0f53c41f1b5c9e1081e0cc7a21237
Timestamp:
Monday 31 October 2022 at 14:53:03 UTC
()
Proposer:
Authorizers:
Gas used:
47