Flow price: --
69c03f31b77130b19b15a7715dcc3b1094ae58d3c65c9c1ff265e46f7681b785

Transaction

Hash: 69c03f31b77130b19b15a7715dcc3b1094ae58d3c65c9c1ff265e46f7681b785
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 69c03f31b77130b19b15a7715dcc3b1094ae58d3c65c9c1ff265e46f7681b785:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
69c03f31b77130b19b15a7715dcc3b1094ae58d3c65c9c1ff265e46f7681b785
Status:
ERROR
Block height:
39986623
Block id:
00963149720c64e12544dff740407922c2fb9564aa77cacfd9c5a35e5ea9ce47
Timestamp:
Sunday 30 October 2022 at 12:24:33 UTC
()
Proposer:
Authorizers:
Gas used:
50