Tweet doesn't exist issue

[Guruprasad68]

Hi,
I followed the README and ran download_data.sh script.
I noticed there are plenty of cases where I get tweet missing error/warning.
An example:

 Tweet doesn't exist: 424300532652462080
Tweet doesn't exist: 424300532652462080
Tweet doesn't exist: 424300532652462080
Tweet doesn't exist: 424300532652462080
Tweet doesn't exist: 424300532652462080
Tweet doesn't exist: 424300532652462080
Tweet doesn't exist: 424300532652462080
Tweet doesn't exist: 424300532652462080
Tweet doesn't exist: 424300532652462080
Tweet doesn't exist: 424300532652462080
Tweet doesn't exist: 424300532652462080
Tweet doesn't exist: 424300532652462080
Tweet doesn't exist: 427482958912450560
Tweet doesn't exist: 427482958912450560
Tweet doesn't exist: 427482958912450560
Tweet doesn't exist: 427482958912450560
Tweet doesn't exist: 427482958912450560
Tweet doesn't exist: 427482958912450560