Flow price: --
89bb4f62c0856750863ecefbf4bf71410c92a38e60e149f29e84bc2782158410

Transaction

Hash: 89bb4f62c0856750863ecefbf4bf71410c92a38e60e149f29e84bc2782158410
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:
  --> 89bb4f62c0856750863ecefbf4bf71410c92a38e60e149f29e84bc2782158410:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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


Hash:
89bb4f62c0856750863ecefbf4bf71410c92a38e60e149f29e84bc2782158410
Status:
ERROR
Block height:
41338936
Block id:
389d64cc86793259edcc129e5c6b484d19f4b004a2be0583e0c873f17c7c6146
Timestamp:
Monday 21 November 2022 at 23:15:49 UTC
()
Proposer:
Authorizers:
Gas used:
25