Add external Data – Twitter, a limit of 5000 rows warning appears as shown below:

Filas de tweets mas recientes. (no introduzca mas de 5000) (Spanish)
English translation: Rows of latest tweets. (no more than 5000)
Refer to technical article below on how to configure Twitter connector:
KB204734: How to configure Twitter connector for Data Import in MicroStrategy Analytics Enterprise Platform 10
This is a known issue.
Strategy will continue to investigate and post updates as soon as they are available.