Flow price: --
030a2b7ae1961927aef7f9c957678a5808a7d9138bf540e2d6901c91660f6dc9

Transaction

Hash: 030a2b7ae1961927aef7f9c957678a5808a7d9138bf540e2d6901c91660f6dc9
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 030a2b7ae1961927aef7f9c957678a5808a7d9138bf540e2d6901c91660f6dc9:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
030a2b7ae1961927aef7f9c957678a5808a7d9138bf540e2d6901c91660f6dc9
Status:
ERROR
Block height:
39796751
Block id:
4f9711e08046e972fccb57050d83e868923631f893f48014c439f41a09f0f917
Timestamp:
Thursday 27 October 2022 at 08:16:47 UTC
()
Proposer:
Authorizers:
Gas used:
47