Flow price: --
54a56da748233e687588fd760dc4aea7f8fe60a2f61f0c32b5db3a8ad5d63839

Transaction

Hash: 54a56da748233e687588fd760dc4aea7f8fe60a2f61f0c32b5db3a8ad5d63839
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 54a56da748233e687588fd760dc4aea7f8fe60a2f61f0c32b5db3a8ad5d63839:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
54a56da748233e687588fd760dc4aea7f8fe60a2f61f0c32b5db3a8ad5d63839
Status:
ERROR
Block height:
40048354
Block id:
d3d9b5841e9832b5b9ddc975f3f875819d641723a5a4b4b59e3fd52e4fc10a73
Timestamp:
Monday 31 October 2022 at 13:06:27 UTC
()
Proposer:
Authorizers:
Gas used:
56