Flow price: --
02c4e8e64d1f46f9a98433038f454a1362f51afaa20d512c69e82f12b8469a9f

Transaction

Hash: 02c4e8e64d1f46f9a98433038f454a1362f51afaa20d512c69e82f12b8469a9f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 02c4e8e64d1f46f9a98433038f454a1362f51afaa20d512c69e82f12b8469a9f: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:
02c4e8e64d1f46f9a98433038f454a1362f51afaa20d512c69e82f12b8469a9f
Status:
ERROR
Block height:
39877936
Block id:
0a4e07683e0256df342b27bf2d30a42a2f64a0b4ed15018c1784b294373a5de6
Timestamp:
Friday 28 October 2022 at 16:59:52 UTC
()
Proposer:
Authorizers:
Gas used:
50