Flow price: --
8370f06c876b0a1bf34762e884cc10844f460c4e6b89b1a4e37a89d4835dac1c

Transaction

Hash: 8370f06c876b0a1bf34762e884cc10844f460c4e6b89b1a4e37a89d4835dac1c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8370f06c876b0a1bf34762e884cc10844f460c4e6b89b1a4e37a89d4835dac1c: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:
8370f06c876b0a1bf34762e884cc10844f460c4e6b89b1a4e37a89d4835dac1c
Status:
ERROR
Block height:
40119583
Block id:
6c6b1257364e464fd4f7c828bd7d57b6b3497373fcca275f3142e29683e0da93
Timestamp:
Tuesday 1 November 2022 at 17:51:02 UTC
()
Proposer:
Authorizers:
Gas used:
47