Flow price: --
0cb7bbaf05450e1f39dc00f33708ddc9bd37a3a6591914e7e5287074b9af3487

Transaction

Hash: 0cb7bbaf05450e1f39dc00f33708ddc9bd37a3a6591914e7e5287074b9af3487
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 0cb7bbaf05450e1f39dc00f33708ddc9bd37a3a6591914e7e5287074b9af3487:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
0cb7bbaf05450e1f39dc00f33708ddc9bd37a3a6591914e7e5287074b9af3487
Status:
ERROR
Block height:
40061676
Block id:
f5d190985faf1684b7f512b8d3ed731a4d951fad96674677bb24b7b302f1645e
Timestamp:
Monday 31 October 2022 at 18:30:03 UTC
()
Proposer:
Authorizers:
Gas used:
48