Flow price: --
a9740d4ceee9ce1f69ee1f7b1a28de2d30a1a93a2d6c1651e17c177fb696cc61

Transaction

Hash: a9740d4ceee9ce1f69ee1f7b1a28de2d30a1a93a2d6c1651e17c177fb696cc61
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:
  --> a9740d4ceee9ce1f69ee1f7b1a28de2d30a1a93a2d6c1651e17c177fb696cc61:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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


Hash:
a9740d4ceee9ce1f69ee1f7b1a28de2d30a1a93a2d6c1651e17c177fb696cc61
Status:
ERROR
Block height:
41720896
Block id:
ffbff12fd4b26c99da3d59952bec522bf3f64bf47b2c7675e42fa2d661c2dc91
Timestamp:
Monday 28 November 2022 at 02:49:03 UTC
()
Proposer:
Authorizers:
Gas used:
29