Flow price: --
cb25c57abd51fc2d3298aed44a3830c784a69c690680ee4d32c9637283e59cdd

Transaction

Hash: cb25c57abd51fc2d3298aed44a3830c784a69c690680ee4d32c9637283e59cdd
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> cb25c57abd51fc2d3298aed44a3830c784a69c690680ee4d32c9637283e59cdd: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:
cb25c57abd51fc2d3298aed44a3830c784a69c690680ee4d32c9637283e59cdd
Status:
ERROR
Block height:
40024276
Block id:
3e19a291965995ea69e6d20997c0def3482033e5c7dfaea93b55fdea31d7e7cb
Timestamp:
Monday 31 October 2022 at 03:24:38 UTC
()
Proposer:
Authorizers:
Gas used:
49