diff --git a/src/graphqlClient.ts b/src/graphqlClient.ts
index 1fa42c3..0c54264 100644
--- a/src/graphqlClient.ts
+++ b/src/graphqlClient.ts
@@ -61,6 +61,9 @@ export default class GraphqlClient {
 			},
 			error(value) {
 				onError && onError(value);
+			},
+			complete() {
+				console.log('Graphql subscription is completed');
 			}
 		});
 	}
diff --git a/src/migrations/1611150552872-RemoveDeployment.ts b/src/migrations/1611150552872-RemoveDeployment.ts
new file mode 100644
index 0000000..b47f9d3
--- /dev/null
+++ b/src/migrations/1611150552872-RemoveDeployment.ts
@@ -0,0 +1,14 @@
+import {MigrationInterface, QueryRunner} from "typeorm";
+
+export class RemoveDeployment1611150552872 implements MigrationInterface {
+
+    public async up(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(`ALTER TABLE eth.transaction_cids DROP COLUMN deployment`);
+    }
+
+    public async down(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(`ALTER TABLE eth.transaction_cids ADD deployment boolean NULL`);
+
+    }
+
+}
diff --git a/src/models/eth/transactionCids.ts b/src/models/eth/transactionCids.ts
index 3c0e742..b1acdd4 100644
--- a/src/models/eth/transactionCids.ts
+++ b/src/models/eth/transactionCids.ts
@@ -40,9 +40,6 @@ export default class TransactionCids {
 	@Column("character varying", { name: "src", length: 66 })
 	src: string;
 
-	@Column("boolean", { name: "deployment" })
-	deployment: boolean;
-
 	@Column("bytea", { name: "tx_data", nullable: true })
 	txData: Buffer | null;
 
diff --git a/src/repositories/eth/transactionCidsRepository.ts b/src/repositories/eth/transactionCidsRepository.ts
index 1a2511c..d16f0d0 100644
--- a/src/repositories/eth/transactionCidsRepository.ts
+++ b/src/repositories/eth/transactionCidsRepository.ts
@@ -6,7 +6,6 @@ export default class TransactionCidsRepository extends Repository<TransactionCid
 
 	public async add(headerId: number, {
 		cid,
-		deployment,
 		index,
 		mhKey,
 		dst,
@@ -16,7 +15,6 @@ export default class TransactionCidsRepository extends Repository<TransactionCid
 	}): Promise<TransactionCids> {
 		return this.save({
 			cid,
-			deployment,
 			headerId,
 			index,
 			mhKey,
diff --git a/src/repositories/graphqlRepository.ts b/src/repositories/graphqlRepository.ts
index 98ddc5f..4ac32a6 100644
--- a/src/repositories/graphqlRepository.ts
+++ b/src/repositories/graphqlRepository.ts
@@ -13,7 +13,7 @@ export default class GraphqlRepository {
 
 		return GraphqlRepository.repository;
 	}
-	
+
 	public constructor(graphqlClient: GraphqlClient) {
 		this.graphqlClient = graphqlClient;
 	}
@@ -121,7 +121,7 @@ export default class GraphqlRepository {
 	}
 
 	// eslint-disable-next-line @typescript-eslint/no-explicit-any
-	public subscriptionReceiptCids(onNext: (value: any) => void): Promise<void> {
+	public subscriptionReceiptCids(onNext: (value: any) => void, onError: (error: any) => void): Promise<void> {
 		return this.graphqlClient.subscribe(`
 			subscription MySubscription {
 				listen(topic: "receipt_cids") {
@@ -144,7 +144,6 @@ export default class GraphqlRepository {
 						ethTransactionCidByTxId {
 							id
 							cid
-							deployment
 							headerId
 							index
 							mhKey
@@ -177,11 +176,11 @@ export default class GraphqlRepository {
 					}
 				}
 			}
-		`, onNext);
+		`, onNext, onError);
 	}
 
 	// eslint-disable-next-line @typescript-eslint/no-explicit-any
-	public subscriptionHeaderCids(onNext: (value: any) => void): Promise<void> {
+	public subscriptionHeaderCids(onNext: (value: any) => void, onError: (error: any) => void): Promise<void> {
 		return this.graphqlClient.subscribe(`
 			subscription MySubscription {
 				listen(topic: "header_cids") {
@@ -208,11 +207,11 @@ export default class GraphqlRepository {
 					}
 				}
 			}
-		`, onNext);
+		`, onNext, onError);
 	}
 
 	// eslint-disable-next-line @typescript-eslint/no-explicit-any
-	public subscriptionStateCids(onNext: (value: any) => void): Promise<void> {
+	public subscriptionStateCids(onNext: (value: any) => void, onError?: (error: any) => void): Promise<void> {
 		return this.graphqlClient.subscribe(`
 			subscription MySubscription {
 				listen(topic: "state_cids") {
@@ -247,7 +246,7 @@ export default class GraphqlRepository {
 					}
 				}
 			}
-		`, onNext);
+		`, onNext, onError);
 	}
 
 }
diff --git a/src/services/graphqlService.ts b/src/services/graphqlService.ts
index c4c8558..267ca78 100644
--- a/src/services/graphqlService.ts
+++ b/src/services/graphqlService.ts
@@ -32,11 +32,11 @@ export default class GraphqlService {
 			const relatedNode = data?.data?.listen?.relatedNode;
 			const result = await DecodeService.decodeReceiptCid(relatedNode, contracts, events);
 			return func(result);
-		});
+		}, (error) => {console.log(error)});
 	}
 
 	public async subscriptionHeaderCids(func: (value: any) => void): Promise<void> {
-		return this.graphqlRepository.subscriptionHeaderCids(func);
+		return this.graphqlRepository.subscriptionHeaderCids(func, (error) => {console.log(error)});
 	}
 
 	public async subscriptionStateCids(contracts: Contract[] | Function, states: State[] | Function, func: (value: any) => void): Promise<void> {
@@ -44,7 +44,7 @@ export default class GraphqlService {
 			const relatedNode = data?.data?.listen?.relatedNode;
 			const result = await DecodeService.decodeStateCid(relatedNode, contracts, states);
 			return func(result);
-		});
+		}, (error) => {console.log(error)});
 	}
 
 }