In my database I get the following error messages (I made **3** forms):

The following indexes appear to be equal and one of them should be removed: entries_id, entries_id_4

The following indexes appear to be equal and one of them should be removed: entries_id, entries_id_3

The following indexes appear to be equal and one of them should be removed: entries_id, entries_id_2

The following indexes appear to be equal and one of them should be removed: field_id, field_id_4

The following indexes appear to be equal and one of them should be removed: field_id, field_id_3

The following indexes appear to be equal and one of them should be removed: field_id, field_id_2

The following indexes appear to be equal and one of them should be removed: form_id, form_id_4

The following indexes appear to be equal and one of them should be removed: form_id, form_id_3

The following indexes appear to be equal and one of them should be removed: form_id, form_id_2

What to do? Any help much appreciated!