Flow price: --
4f5aa933fc42229e70238e898879c2b69184e4d9618d5b6c7cddd6bd1f537129

Transaction

Hash: 4f5aa933fc42229e70238e898879c2b69184e4d9618d5b6c7cddd6bd1f537129
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4f5aa933fc42229e70238e898879c2b69184e4d9618d5b6c7cddd6bd1f537129:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4f5aa933fc42229e70238e898879c2b69184e4d9618d5b6c7cddd6bd1f537129
Status:
ERROR
Block height:
40002395
Block id:
2e2da376acf09d337df52276572402bde9137228043eb5f420d2fa154d16cfa8
Timestamp:
Sunday 30 October 2022 at 18:43:52 UTC
()
Proposer:
Authorizers:
Gas used:
48