Flow price: --
45913c1ea9e2f2c0b6f49986b3913f89f6af4aa07310dc970d1314582e19c217

Transaction

Hash: 45913c1ea9e2f2c0b6f49986b3913f89f6af4aa07310dc970d1314582e19c217
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 45913c1ea9e2f2c0b6f49986b3913f89f6af4aa07310dc970d1314582e19c217:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
45913c1ea9e2f2c0b6f49986b3913f89f6af4aa07310dc970d1314582e19c217
Status:
ERROR
Block height:
40121683
Block id:
b366eeb7f21d893eb814c8358895e2e9399ea79feb0767b91d01e60ac1a469b5
Timestamp:
Tuesday 1 November 2022 at 18:41:45 UTC
()
Proposer:
Authorizers:
Gas used:
48