Flow price: --
3196f97c27e9521976f633f7262ac2b5baa56b8b8e8a9e5bbcfbe379efc1bc48

Transaction

Hash: 3196f97c27e9521976f633f7262ac2b5baa56b8b8e8a9e5bbcfbe379efc1bc48
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3196f97c27e9521976f633f7262ac2b5baa56b8b8e8a9e5bbcfbe379efc1bc48:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
3196f97c27e9521976f633f7262ac2b5baa56b8b8e8a9e5bbcfbe379efc1bc48
Status:
ERROR
Block height:
40116115
Block id:
0acbbb825f7ba624b0e45113a0c039e69161578cef1340dca9708fd1832bfe1b
Timestamp:
Tuesday 1 November 2022 at 16:26:33 UTC
()
Proposer:
Authorizers:
Gas used:
50