Flow price: --
10e6fb1254e91b96e0ba1d2b6e3c86c6c9304756e8eba5de170403e168974707

Transaction

Hash: 10e6fb1254e91b96e0ba1d2b6e3c86c6c9304756e8eba5de170403e168974707
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 10e6fb1254e91b96e0ba1d2b6e3c86c6c9304756e8eba5de170403e168974707:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
10e6fb1254e91b96e0ba1d2b6e3c86c6c9304756e8eba5de170403e168974707
Status:
ERROR
Block height:
39849806
Block id:
513e8a9fb131917e582b51aefc8dac8ceba330b3849a19006cef70ad9fea4545
Timestamp:
Friday 28 October 2022 at 05:40:39 UTC
()
Proposer:
Authorizers:
Gas used:
47