Flow price: --
b8b4fbb661db92e690d00e3bb6e6a15a4aa8f56e4121866b81177861e367b813

Transaction

Hash: b8b4fbb661db92e690d00e3bb6e6a15a4aa8f56e4121866b81177861e367b813
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:
  --> b8b4fbb661db92e690d00e3bb6e6a15a4aa8f56e4121866b81177861e367b813:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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


Hash:
b8b4fbb661db92e690d00e3bb6e6a15a4aa8f56e4121866b81177861e367b813
Status:
ERROR
Block height:
41326088
Block id:
c61258fe2ad584443610fd269f19585bb6a48439ed96c455cf16e3cd0ef109a1
Timestamp:
Monday 21 November 2022 at 18:14:31 UTC
()
Proposer:
Authorizers:
Gas used:
25