diff --git a/back/methods/collection/assign.js b/back/methods/collection/assign.js
index 0484eb5a8..ff7a83e22 100644
--- a/back/methods/collection/assign.js
+++ b/back/methods/collection/assign.js
@@ -20,13 +20,36 @@ module.exports = Self => {
         if (typeof options == 'object')
             Object.assign(myOptions, options);
 
-        const [, , [{collectionFk}]] =
-            await Self.rawSql('CALL vn.collection_assign(?, @vCollectionFk); SELECT @vCollectionFk collectionFk',
+        let threadId;
+
+        try {
+            const result =
+                await Self.rawSql(`
+                    CALL vn.collection_assign(?, @vCollectionFk);
+                    SELECT @vCollectionFk collectionFk,
+                        CONNECTION_ID() threadId
+                    `,
                 [userId], myOptions);
 
-        if (!collectionFk) throw new UserError('There are not picking tickets');
-        await Self.rawSql('CALL vn.collection_printSticker(?, NULL)', [collectionFk], myOptions);
+            threadId = result[2][0].threadId;
+            const collectionFk = result[2][0].collectionFk;
+            if (!collectionFk) throw new UserError('There are not picking tickets');
 
-        return collectionFk;
+            await Self.rawSql('CALL vn.collection_printSticker(?, NULL)', [collectionFk], myOptions);
+
+            return collectionFk;
+        } catch (e) {
+            // Error deadlock refs #7486
+            if (e.code === 'ER_LOCK_DEADLOCK') {
+                const [hasLock] = await Self.rawSql(`
+                    SELECT COUNT(*) FROM INFORMATION_SCHEMA.METADATA_LOCK_INFO
+                        WHERE LOCK_MODE = 'MDL_SHARED_NO_WRITE'
+                            AND THREAD_ID = ?
+                    `,
+                [threadId], myOptions);
+                if (hasLock) await Self.rawSql(`KILL ?`, [threadId], myOptions);
+            }
+            throw e;
+        }
     };
 };
diff --git a/db/routines/vn/procedures/collection_assign.sql b/db/routines/vn/procedures/collection_assign.sql
index f9032a91d..29c9b3e08 100644
--- a/db/routines/vn/procedures/collection_assign.sql
+++ b/db/routines/vn/procedures/collection_assign.sql
@@ -17,22 +17,9 @@ BEGIN
 	DECLARE vWarehouseFk INT;
 	DECLARE vLockName VARCHAR(215);
 	DECLARE vLockTime INT DEFAULT 30;
-	DECLARE vErrorNumber INT;
-	DECLARE vErrorMsg TEXT;
 
 	DECLARE EXIT HANDLER FOR SQLEXCEPTION
 	BEGIN
-		GET DIAGNOSTICS CONDITION 1
-			vErrorNumber = MYSQL_ERRNO,
-			vErrorMsg = MESSAGE_TEXT;
-
-		CALL util.debugAdd('collection_assign', JSON_OBJECT(
-				'errorNumber', vErrorNumber,
-				'errorMsg', vErrorMsg,
-				'lockName', vLockName,
-				'userFk', vUserFk
-			)); -- Tmp
-
 		IF vLockName IS NOT NULL THEN
 			DO RELEASE_LOCK(vLockName);
 		END IF;
diff --git a/db/routines/vn/procedures/collection_get.sql b/db/routines/vn/procedures/collection_get.sql
index d29f14ca9..84ca9303c 100644
--- a/db/routines/vn/procedures/collection_get.sql
+++ b/db/routines/vn/procedures/collection_get.sql
@@ -7,11 +7,6 @@ BEGIN
  * @param vWorkerFk id del worker.
  * @table Devuelve tabla temporal con las colecciones pendientes
  */
-	DECLARE EXIT HANDLER FOR SQLEXCEPTION
-	BEGIN
-		RESIGNAL;
-	END;
-
 	CREATE OR REPLACE TEMPORARY TABLE tmp.collection
 		ENGINE = MEMORY
 		SELECT c.id collectionFk,
diff --git a/db/routines/vn/procedures/collection_new.sql b/db/routines/vn/procedures/collection_new.sql
index 0bd6e1b25..20c3d61b5 100644
--- a/db/routines/vn/procedures/collection_new.sql
+++ b/db/routines/vn/procedures/collection_new.sql
@@ -28,8 +28,6 @@ BEGIN
 	DECLARE vLockName VARCHAR(215);
 	DECLARE vLockTime INT DEFAULT 30;
 	DECLARE vFreeWagonFk INT;
-	DECLARE vErrorNumber INT;
-	DECLARE vErrorMsg TEXT;
 
 	DECLARE c1 CURSOR FOR
 		SELECT ticketFk, `lines`, m3
@@ -49,18 +47,6 @@ BEGIN
 
 	DECLARE EXIT HANDLER FOR SQLEXCEPTION
 	BEGIN
-		GET DIAGNOSTICS CONDITION 1
-			vErrorNumber = MYSQL_ERRNO,
-			vErrorMsg = MESSAGE_TEXT;
-
-		CALL util.debugAdd('collection_new', JSON_OBJECT(
-				'errorNumber', vErrorNumber,
-				'errorMsg', vErrorMsg,
-				'lockName', vLockName,
-				'userFk', vUserFk,
-				'ticketFk', vTicketFk
-			)); -- Tmp
-
 		IF vLockName IS NOT NULL THEN
 			DO RELEASE_LOCK(vLockName);
 		END IF;
diff --git a/db/routines/vn/procedures/productionControl.sql b/db/routines/vn/procedures/productionControl.sql
index dad46393d..df2d07148 100644
--- a/db/routines/vn/procedures/productionControl.sql
+++ b/db/routines/vn/procedures/productionControl.sql
@@ -15,11 +15,6 @@ proc: BEGIN
 	DECLARE vEndingDate DATETIME;
 	DECLARE vIsTodayRelative BOOLEAN;
 
-	DECLARE EXIT HANDLER FOR SQLEXCEPTION
-	BEGIN
-		RESIGNAL;
-	END;
-
 	SELECT util.dayEnd(util.VN_CURDATE()) + INTERVAL LEAST(vScopeDays, maxProductionScopeDays) DAY
 		INTO vEndingDate
 		FROM productionConfig;
diff --git a/db/routines/vn/procedures/ticket_Clone.sql b/db/routines/vn/procedures/ticket_Clone.sql
index d22d3c7ff..7670e832e 100644
--- a/db/routines/vn/procedures/ticket_Clone.sql
+++ b/db/routines/vn/procedures/ticket_Clone.sql
@@ -9,11 +9,6 @@ BEGIN
  */
 	DECLARE vStateFk INT;
 
-	DECLARE EXIT HANDLER FOR SQLEXCEPTION
-	BEGIN
-		RESIGNAL;
-	END;
-
 	INSERT INTO ticket (
 		clientFk,
 		shipped,
diff --git a/db/routines/vn/procedures/ticket_splitItemPackingType.sql b/db/routines/vn/procedures/ticket_splitItemPackingType.sql
index e2c55e28a..f90650020 100644
--- a/db/routines/vn/procedures/ticket_splitItemPackingType.sql
+++ b/db/routines/vn/procedures/ticket_splitItemPackingType.sql
@@ -27,20 +27,6 @@ BEGIN
 
 	DECLARE CONTINUE HANDLER FOR NOT FOUND SET vDone = TRUE;
 
-	DECLARE EXIT HANDLER FOR SQLEXCEPTION
-	BEGIN
-		GET DIAGNOSTICS CONDITION 1
-			vErrorNumber = MYSQL_ERRNO,
-			vErrorMsg = MESSAGE_TEXT;
-
-		CALL util.debugAdd('ticket_splitItemPackingType', JSON_OBJECT(
-				'errorNumber', vErrorNumber,
-				'errorMsg', vErrorMsg,
-				'ticketFk', vTicketFk
-			)); -- Tmp
-		RESIGNAL;
-	END;
-
 	DELETE FROM vn.sale
 		WHERE quantity = 0
 		AND ticketFk = vTicketFk;