Column of relation already exists

export const schoolReferences = pgTable(
  'school_references',
  {
    id: serial('id').primaryKey(),
    sanityId: text('sanity_id').notNull().unique(),
    name: text('name'),
  },
  (table) => [uniqueIndex('sanity_id_idx').on(table.sanityId)],
)

export const players = pgTable('players', {
  id: serial('id').primaryKey(),
  firstName: text('first_name').notNull(),
  lastName: text('last_name').notNull(),
  currentSchoolId: integer('current_school_id').references(() => schoolReferences.id),
})

export const transferPortalEntries = pgTable('transfer_portal_entries', {
  id: serial('id').primaryKey(),
  playerId: integer('player_id')
    .references(() => players.id)
    .notNull(),
  previousSchoolId: integer('previous_school_id')
    .references(() => schoolReferences.id)
    .notNull(),
  commitmentSchoolId: integer('commitment_school_id').references(() => schoolReferences.id),
})