Throw error if cannot find error in table

packages/pipeline/migrations/1550163069315-TokenOrderBookSnapshotsAddMakerAddress.ts

@@ -24,6 +24,8 @@ export class TokenOrderBookSnapshotsAddMakerAddress1550163069315 implements Migr
                     DROP CONSTRAINT "token_orderbook_snapshots_pkey1",
                     ADD PRIMARY KEY (observed_timestamp, source, order_type, price, base_asset_symbol, quote_asset_symbol, maker_address);
             `);
+        } else {
+            throw new Error(`Could not find table with name ${TOKEN_ORDERBOOK_SNAPSHOT_TABLE}`);
         }
     }
 
@@ -31,6 +33,8 @@ export class TokenOrderBookSnapshotsAddMakerAddress1550163069315 implements Migr
         const snapshotTable = await queryRunner.getTable(TOKEN_ORDERBOOK_SNAPSHOT_TABLE);
         if (snapshotTable) {
             await queryRunner.dropColumn(snapshotTable, NEW_COLUMN_NAME);
+        } else {
+            throw new Error(`Could not find table with name ${TOKEN_ORDERBOOK_SNAPSHOT_TABLE}`);
         }
     }
 }