Flow price: --
23e498c45050fc10802d5dfd42ff56e2988bc7c4f5375cc2a6fd37228994aefe

Transaction

Hash: 23e498c45050fc10802d5dfd42ff56e2988bc7c4f5375cc2a6fd37228994aefe
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 23e498c45050fc10802d5dfd42ff56e2988bc7c4f5375cc2a6fd37228994aefe: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:
23e498c45050fc10802d5dfd42ff56e2988bc7c4f5375cc2a6fd37228994aefe
Status:
ERROR
Block height:
39860560
Block id:
dbf5f9edac6dd30ee82a8560613a2dc8b28636a38ccddbc09dd470d15384a0a1
Timestamp:
Friday 28 October 2022 at 10:02:02 UTC
()
Proposer:
Authorizers:
Gas used:
49