Flow price: --
a0db2c9ba571ff84c3d5f14e78efba59e310c05d4d0ee75a29f4e49ac9ccd816

Transaction

Hash: a0db2c9ba571ff84c3d5f14e78efba59e310c05d4d0ee75a29f4e49ac9ccd816
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:
  --> a0db2c9ba571ff84c3d5f14e78efba59e310c05d4d0ee75a29f4e49ac9ccd816:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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


Hash:
a0db2c9ba571ff84c3d5f14e78efba59e310c05d4d0ee75a29f4e49ac9ccd816
Status:
ERROR
Block height:
40634640
Block id:
74c956aa95679ecb4d08fc8c3ceee2a046496e95c6fb0d3f8243106dd86d5987
Timestamp:
Thursday 10 November 2022 at 09:24:00 UTC
()
Proposer:
Authorizers:
Gas used:
23