Flow price: --
cf21673c99811d7f4a040096d2e36055b2daafb0f2e063468f6bcbe401f26847

Transaction

Hash: cf21673c99811d7f4a040096d2e36055b2daafb0f2e063468f6bcbe401f26847
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] error caused by: 1 error occurred:
	* transaction invocation failed when executing transaction: [Error Code: 1101] cadence runtime error: Execution failed:
  --> cf21673c99811d7f4a040096d2e36055b2daafb0f2e063468f6bcbe401f26847:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:24


Hash:
cf21673c99811d7f4a040096d2e36055b2daafb0f2e063468f6bcbe401f26847
Status:
ERROR
Block height:
40855466
Block id:
f140c7dc29279a5d52d1604b6fc687fff909f2f5b2a309faf33d69d4f7fd331f
Timestamp:
Monday 14 November 2022 at 02:25:34 UTC
()
Proposer:
Authorizers:
Gas used:
22