Returns the number b for the first call with the profile-wide number range a. Each subsequent call with this number range name returns the following integer b+1, b+2, etc., till number c.

Parameters b and c thus indicate the minimum and maximum limits. When the maximum is exceeded, the minimum follows again.

A distinct number range is managed per profile and number range name.

Important note: When this function is executed, a connection to the main Lobster_data database (hub) is established and closed again. Please note that this can lead to large performance losses with very frequent function calls.