An Annotation argument must be a compile time constant

The problem is the one stated in the error, you can't have dynamically defined arguments for your @Query annotation. If you want to define the name of the table somewhere else, use string concatenation. You can do it like this:

@Query("SELECT * FROM " + Table.USER_TABLE)
fun getAll(): List<User>

This is how they do it in this google sample.

You need to escape the String concatenation when using @Value annotation with the dollar symbol in Kotlin (prepend \ to $):

@Query("SELECT * FROM \$Table.USER_TABLE")
fun getAll(): List<User>

You should define column name also in data class and access if you want to use columns in queries and access it via this method:

@Query("SELECT * FROM ${Table.USER_TABLE}")