Flow price: --
a6cf77a4d9bda42feb6311fc34b34e97a64b631bac4be0468502c525a9f31cb8

Transaction

Hash: a6cf77a4d9bda42feb6311fc34b34e97a64b631bac4be0468502c525a9f31cb8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a6cf77a4d9bda42feb6311fc34b34e97a64b631bac4be0468502c525a9f31cb8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a6cf77a4d9bda42feb6311fc34b34e97a64b631bac4be0468502c525a9f31cb8
Status:
ERROR
Block height:
39885811
Block id:
1e0dd2e70ca3bb167ea2c6a53598fab38135c1fac65b3f06f10db976ca56e6df
Timestamp:
Friday 28 October 2022 at 20:08:18 UTC
()
Proposer:
Authorizers:
Gas used:
47