Flow price: --
a2d7ca874179626d0042d3b2009f5ca58d4bbad1cc8cb81f42f0e98bf02b23e6

Transaction

Hash: a2d7ca874179626d0042d3b2009f5ca58d4bbad1cc8cb81f42f0e98bf02b23e6
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:
  --> a2d7ca874179626d0042d3b2009f5ca58d4bbad1cc8cb81f42f0e98bf02b23e6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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


Hash:
a2d7ca874179626d0042d3b2009f5ca58d4bbad1cc8cb81f42f0e98bf02b23e6
Status:
ERROR
Block height:
40419457
Block id:
604256d635373a539058f2638247f419b281628a528830d0dbab9845b90b67a1
Timestamp:
Sunday 6 November 2022 at 18:33:07 UTC
()
Proposer:
Authorizers:
Gas used:
22