diff --git a/server/api/AddSerie.post.ts b/server/api/AddSerie.post.ts
index f6f6d3c..3f0d6d3 100644
--- a/server/api/AddSerie.post.ts
+++ b/server/api/AddSerie.post.ts
@@ -19,19 +19,14 @@ export default defineEventHandler(async (event) => {
                 VALUES ('${body.nameSerie}', NOW(), -1)
                 RETURNING id`); // -1 is the default value for id_machine
         })
-        .then((respQuery) => {
+        .then((respQuery:{rows:any[]}) => {
             if (respQuery.rows.length === 0) {
                 throw new Error("Serie not create");
             }
             idSerie = respQuery.rows[0].id;
-            console.log(`Serie ${idSerie} created`);
             const lPromises = [];
-            // save each metabolite by daughter solution
-            console.log("body.daughterGroup", body.daughterGroup);
-            
+            // save each metabolite by daughter solution           
             for (const idFile of Object.keys(body.daughterGroup)){  
-                console.log("idFile", idFile);
-                console.log("body.daughterGroup[idFile]", body.daughterGroup[idFile]);
                 for(const metabo of body.daughterGroup[idFile]){
                     lPromises.push(  
                         client.query(`
@@ -53,9 +48,9 @@ export default defineEventHandler(async (event) => {
             // calculate the ratio for each metabolite
             return calculateRatioSerie(idSerie);
         })
-        .then((metaRatio) => {
+        .then((metaRatio:{[key:string]:number}) => {
             const lPromises = [];
-            // save the ratio in the database
+            // save the ratio in the database            
             for(const key in metaRatio){
                 lPromises.push(
                     client.query(`
@@ -66,9 +61,8 @@ export default defineEventHandler(async (event) => {
             }
             return Promise.allSettled(lPromises);
         })
-        .catch((err) => {
-            console.error("Add serie fail : ", body.name, err);
-            throw new Error("Add serie fail");
+        .catch((err:Error) => {
+            return new Error("Add serie fail", err);
         })
         .finally(() => {
             // close the connection
diff --git a/server/api/function/RegSerie.ts b/server/api/function/RegSerie.ts
index 4533619..0297b84 100644
--- a/server/api/function/RegSerie.ts
+++ b/server/api/function/RegSerie.ts
@@ -23,11 +23,8 @@ export async function calculateRatioSerie(idSerie:string):Promise<number | {[key
         .then((res) => {
             // create array area/expected for each metabolite
             const metaAreaExpected: {[key:string]:[number,number][]} = {}
-            console.log("rows", res);
             
             for(const row of res.rows){
-                console.log(row);
-                
                 // if the metabolite is not in the array, create it
                 if(metaAreaExpected[row.id_mol]===undefined){
                     // initialize first element to position 0,0
@@ -36,14 +33,12 @@ export async function calculateRatioSerie(idSerie:string):Promise<number | {[key
                 }
                 metaAreaExpected[row.id_mol].push([row.area,row.expected]);
             }
-            console.log(metaAreaExpected);
             
             // caclulate director coefficient of each metabolite
             const metaRatio: {[key:string]:number}= {}
             for(const key in metaAreaExpected){
                 // calculate the linear regression
-                const {m, b} = linearRegression(metaAreaExpected[key]);
-                console.log(`Metabolite ${key} : m=${m} b=${b}`);
+                const {m} = linearRegression(metaAreaExpected[key]);
                 metaRatio[key] = m;
             }
             return metaRatio