Flow price: --
36ab84c01ac92411921d3f215b5119583a1a228184efe651d92e7566b6ea61ec

Transaction

Hash: 36ab84c01ac92411921d3f215b5119583a1a228184efe651d92e7566b6ea61ec
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 36ab84c01ac92411921d3f215b5119583a1a228184efe651d92e7566b6ea61ec:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
36ab84c01ac92411921d3f215b5119583a1a228184efe651d92e7566b6ea61ec
Status:
ERROR
Block height:
40035556
Block id:
932a66e3f6d69fe8e99e4d66cc6953db7635930cd6374368291a8723d8832cfa
Timestamp:
Monday 31 October 2022 at 07:56:53 UTC
()
Proposer:
Authorizers:
Gas used:
47