diff --git a/backend/db/migrations/0017_slow_the_hood.sql b/backend/db/migrations/0017_slow_the_hood.sql
index 1ea7a0a..e880d26 100644
--- a/backend/db/migrations/0017_slow_the_hood.sql
+++ b/backend/db/migrations/0017_slow_the_hood.sql
@@ -1,92 +1 @@
-CREATE TABLE "customerinventoryitems" (
-	"id" bigint PRIMARY KEY GENERATED BY DEFAULT AS IDENTITY (sequence name "customerinventoryitems_id_seq" INCREMENT BY 1 MINVALUE 1 MAXVALUE 9223372036854775807 START WITH 1 CACHE 1),
-	"created_at" timestamp with time zone DEFAULT now() NOT NULL,
-	"name" text NOT NULL,
-	"description" text,
-	"tenant" bigint NOT NULL,
-	"customer" bigint NOT NULL,
-	"customerspace" bigint,
-	"customerInventoryId" text NOT NULL,
-	"serialNumber" text,
-	"quantity" bigint DEFAULT 0 NOT NULL,
-	"manufacturer" text,
-	"manufacturerNumber" text,
-	"purchaseDate" date,
-	"purchasePrice" double precision DEFAULT 0,
-	"currentValue" double precision,
-	"product" bigint,
-	"vendor" bigint,
-	"archived" boolean DEFAULT false NOT NULL,
-	"updated_at" timestamp with time zone,
-	"updated_by" uuid
-);
---> statement-breakpoint
-CREATE TABLE "customerspaces" (
-	"id" bigint PRIMARY KEY GENERATED BY DEFAULT AS IDENTITY (sequence name "customerspaces_id_seq" INCREMENT BY 1 MINVALUE 1 MAXVALUE 9223372036854775807 START WITH 1 CACHE 1),
-	"created_at" timestamp with time zone DEFAULT now() NOT NULL,
-	"name" text NOT NULL,
-	"type" text NOT NULL,
-	"tenant" bigint NOT NULL,
-	"customer" bigint NOT NULL,
-	"spaceNumber" text NOT NULL,
-	"parentSpace" bigint,
-	"infoData" jsonb DEFAULT '{"zip":"","city":"","streetNumber":""}'::jsonb NOT NULL,
-	"description" text,
-	"archived" boolean DEFAULT false NOT NULL,
-	"updated_at" timestamp with time zone,
-	"updated_by" uuid
-);
---> statement-breakpoint
-CREATE TABLE "entitybankaccounts" (
-	"id" bigint PRIMARY KEY GENERATED BY DEFAULT AS IDENTITY (sequence name "entitybankaccounts_id_seq" INCREMENT BY 1 MINVALUE 1 MAXVALUE 9223372036854775807 START WITH 1 CACHE 1),
-	"created_at" timestamp with time zone DEFAULT now() NOT NULL,
-	"tenant" bigint NOT NULL,
-	"iban_encrypted" jsonb NOT NULL,
-	"bic_encrypted" jsonb NOT NULL,
-	"bank_name_encrypted" jsonb NOT NULL,
-	"description" text,
-	"updated_at" timestamp with time zone,
-	"updated_by" uuid,
-	"archived" boolean DEFAULT false NOT NULL
-);
---> statement-breakpoint
-CREATE TABLE "memberrelations" (
-	"id" bigint PRIMARY KEY GENERATED BY DEFAULT AS IDENTITY (sequence name "memberrelations_id_seq" INCREMENT BY 1 MINVALUE 1 MAXVALUE 9223372036854775807 START WITH 1 CACHE 1),
-	"created_at" timestamp with time zone DEFAULT now() NOT NULL,
-	"tenant" bigint NOT NULL,
-	"type" text NOT NULL,
-	"billingInterval" text NOT NULL,
-	"billingAmount" double precision DEFAULT 0 NOT NULL,
-	"archived" boolean DEFAULT false NOT NULL,
-	"updated_at" timestamp with time zone,
-	"updated_by" uuid
-);
---> statement-breakpoint
-ALTER TABLE "tenants" ALTER COLUMN "numberRanges" SET DEFAULT '{"vendors":{"prefix":"","suffix":"","nextNumber":10000},"customers":{"prefix":"","suffix":"","nextNumber":10000},"products":{"prefix":"AT-","suffix":"","nextNumber":1000},"quotes":{"prefix":"AN-","suffix":"","nextNumber":1000},"confirmationOrders":{"prefix":"AB-","suffix":"","nextNumber":1000},"invoices":{"prefix":"RE-","suffix":"","nextNumber":1000},"spaces":{"prefix":"LP-","suffix":"","nextNumber":1000},"customerspaces":{"prefix":"KLP-","suffix":"","nextNumber":1000},"inventoryitems":{"prefix":"IA-","suffix":"","nextNumber":1000},"customerinventoryitems":{"prefix":"KIA-","suffix":"","nextNumber":1000},"projects":{"prefix":"PRJ-","suffix":"","nextNumber":1000},"costcentres":{"prefix":"KST-","suffix":"","nextNumber":1000}}'::jsonb;--> statement-breakpoint
-ALTER TABLE "contracts" ADD COLUMN "contracttype" bigint;--> statement-breakpoint
-ALTER TABLE "contracts" ADD COLUMN "billingInterval" text;--> statement-breakpoint
-ALTER TABLE "customers" ADD COLUMN "customTaxType" text;--> statement-breakpoint
-ALTER TABLE "customers" ADD COLUMN "memberrelation" bigint;--> statement-breakpoint
-ALTER TABLE "historyitems" ADD COLUMN "customerspace" bigint;--> statement-breakpoint
-ALTER TABLE "historyitems" ADD COLUMN "customerinventoryitem" bigint;--> statement-breakpoint
-ALTER TABLE "historyitems" ADD COLUMN "memberrelation" bigint;--> statement-breakpoint
-ALTER TABLE "services" ADD COLUMN "priceUpdateLocked" boolean DEFAULT false NOT NULL;--> statement-breakpoint
-ALTER TABLE "customerinventoryitems" ADD CONSTRAINT "customerinventoryitems_tenant_tenants_id_fk" FOREIGN KEY ("tenant") REFERENCES "public"."tenants"("id") ON DELETE no action ON UPDATE no action;--> statement-breakpoint
-ALTER TABLE "customerinventoryitems" ADD CONSTRAINT "customerinventoryitems_customer_customers_id_fk" FOREIGN KEY ("customer") REFERENCES "public"."customers"("id") ON DELETE no action ON UPDATE no action;--> statement-breakpoint
-ALTER TABLE "customerinventoryitems" ADD CONSTRAINT "customerinventoryitems_customerspace_customerspaces_id_fk" FOREIGN KEY ("customerspace") REFERENCES "public"."customerspaces"("id") ON DELETE no action ON UPDATE no action;--> statement-breakpoint
-ALTER TABLE "customerinventoryitems" ADD CONSTRAINT "customerinventoryitems_product_products_id_fk" FOREIGN KEY ("product") REFERENCES "public"."products"("id") ON DELETE no action ON UPDATE no action;--> statement-breakpoint
-ALTER TABLE "customerinventoryitems" ADD CONSTRAINT "customerinventoryitems_vendor_vendors_id_fk" FOREIGN KEY ("vendor") REFERENCES "public"."vendors"("id") ON DELETE no action ON UPDATE no action;--> statement-breakpoint
-ALTER TABLE "customerinventoryitems" ADD CONSTRAINT "customerinventoryitems_updated_by_auth_users_id_fk" FOREIGN KEY ("updated_by") REFERENCES "public"."auth_users"("id") ON DELETE no action ON UPDATE no action;--> statement-breakpoint
-ALTER TABLE "customerspaces" ADD CONSTRAINT "customerspaces_tenant_tenants_id_fk" FOREIGN KEY ("tenant") REFERENCES "public"."tenants"("id") ON DELETE no action ON UPDATE no action;--> statement-breakpoint
-ALTER TABLE "customerspaces" ADD CONSTRAINT "customerspaces_customer_customers_id_fk" FOREIGN KEY ("customer") REFERENCES "public"."customers"("id") ON DELETE no action ON UPDATE no action;--> statement-breakpoint
-ALTER TABLE "customerspaces" ADD CONSTRAINT "customerspaces_parentSpace_customerspaces_id_fk" FOREIGN KEY ("parentSpace") REFERENCES "public"."customerspaces"("id") ON DELETE no action ON UPDATE no action;--> statement-breakpoint
-ALTER TABLE "customerspaces" ADD CONSTRAINT "customerspaces_updated_by_auth_users_id_fk" FOREIGN KEY ("updated_by") REFERENCES "public"."auth_users"("id") ON DELETE no action ON UPDATE no action;--> statement-breakpoint
-ALTER TABLE "entitybankaccounts" ADD CONSTRAINT "entitybankaccounts_tenant_tenants_id_fk" FOREIGN KEY ("tenant") REFERENCES "public"."tenants"("id") ON DELETE no action ON UPDATE no action;--> statement-breakpoint
-ALTER TABLE "entitybankaccounts" ADD CONSTRAINT "entitybankaccounts_updated_by_auth_users_id_fk" FOREIGN KEY ("updated_by") REFERENCES "public"."auth_users"("id") ON DELETE no action ON UPDATE no action;--> statement-breakpoint
-ALTER TABLE "memberrelations" ADD CONSTRAINT "memberrelations_tenant_tenants_id_fk" FOREIGN KEY ("tenant") REFERENCES "public"."tenants"("id") ON DELETE no action ON UPDATE no action;--> statement-breakpoint
-ALTER TABLE "memberrelations" ADD CONSTRAINT "memberrelations_updated_by_auth_users_id_fk" FOREIGN KEY ("updated_by") REFERENCES "public"."auth_users"("id") ON DELETE no action ON UPDATE no action;--> statement-breakpoint
-ALTER TABLE "contracts" ADD CONSTRAINT "contracts_contracttype_contracttypes_id_fk" FOREIGN KEY ("contracttype") REFERENCES "public"."contracttypes"("id") ON DELETE no action ON UPDATE no action;--> statement-breakpoint
-ALTER TABLE "customers" ADD CONSTRAINT "customers_memberrelation_memberrelations_id_fk" FOREIGN KEY ("memberrelation") REFERENCES "public"."memberrelations"("id") ON DELETE no action ON UPDATE no action;--> statement-breakpoint
-ALTER TABLE "historyitems" ADD CONSTRAINT "historyitems_customerspace_customerspaces_id_fk" FOREIGN KEY ("customerspace") REFERENCES "public"."customerspaces"("id") ON DELETE no action ON UPDATE no action;--> statement-breakpoint
-ALTER TABLE "historyitems" ADD CONSTRAINT "historyitems_customerinventoryitem_customerinventoryitems_id_fk" FOREIGN KEY ("customerinventoryitem") REFERENCES "public"."customerinventoryitems"("id") ON DELETE no action ON UPDATE no action;--> statement-breakpoint
-ALTER TABLE "historyitems" ADD CONSTRAINT "historyitems_memberrelation_memberrelations_id_fk" FOREIGN KEY ("memberrelation") REFERENCES "public"."memberrelations"("id") ON DELETE no action ON UPDATE no action;
+-- Absichtlich leer: Die Objekte aus dieser generierten Migration existieren bereits in früheren Migrationen.