# Price expression editor error **URL:** \ **Category:** Using my Dolibarr\ **Created:** [February 4, 2020, 3:49am UTC](https://www.dolibarr.org/forum/t/price-expression-editor-error/18490 "2020-02-04T03:49:42Z")\ **Posts on this page:** 8\ **Page:** 1
**Author:** ![aduplessis](https://www.dolibarr.org/forum/letter_avatar_proxy/v4/letter/a/9fc29f/32.png) [@aduplessis](https://www.dolibarr.org/forum/u/aduplessis)\ **Post date:** [February 4, 2020, 3:49am UTC](https://www.dolibarr.org/forum/t/price-expression-editor-error/18490/1 "2020-02-04T03:49:42Z")
Hi, I’m on version 11. I’m trying to use price expression editor, however getting error codes (25 and 24). Changed the price\_parser.class.php file and added #supplier\_min\_price#\*2 into the price editor. Purpose is to rather add markup instead of adding selling price for each product. ---
**Author:** ![simicar](https://www.dolibarr.org/forum/user_avatar/www.dolibarr.org/simicar/32/3072_2.png) [@simicar](https://www.dolibarr.org/forum/u/simicar)\ **Post date:** [February 5, 2020, 8:37am UTC](https://www.dolibarr.org/forum/t/price-expression-editor-error/18490/2 "2020-02-05T08:37:03Z")
Hi, No problem on my side using your price expression. Error code 24 means “variable ‘%s’ exists but has no value”, error code 25 arises when the call to find\_min\_price\_product\_fournisseur fails, so I am just wondering whether you defined supplier prices for the product giving you that error. Regards, Marc ---
**Author:** ![aduplessis](https://www.dolibarr.org/forum/letter_avatar_proxy/v4/letter/a/9fc29f/32.png) [@aduplessis](https://www.dolibarr.org/forum/u/aduplessis)\ **Post date:** [February 6, 2020, 8:26am UTC](https://www.dolibarr.org/forum/t/price-expression-editor-error/18490/3 "2020-02-06T08:26:08Z")
Hi Marc, Below my buying price, everything is filled, still getting 24 error. ![image](https://www.dolibarr.org/forum/uploads/dolibarrorg/original/2X/6/6d45d8e97581808061c8ab9d57f84c7847e866a3.png) What would the expression be if I want to update all my cost prices with 20% (retail)? ---
**Author:** ![simicar](https://www.dolibarr.org/forum/user_avatar/www.dolibarr.org/simicar/32/3072_2.png) [@simicar](https://www.dolibarr.org/forum/u/simicar)\ **Post date:** [February 6, 2020, 9:05am UTC](https://www.dolibarr.org/forum/t/price-expression-editor-error/18490/4 "2020-02-06T09:05:40Z")
Hi, This is strange indeed. On the same page where you took this snapshot, what do you have as the best (or minimum) buy price ? As for the expression to use to update your cost prices by 20%, a small change is to be applied to what you entered : price=1.2\*#supplier\_min\_price# (or the way around, it should not matter) Of note, you could as well define a global varialble, say retailrate with the value of 1.2, in the ‘dynamic prices’ module configuration and then use the following expresssion : price=#global\_retailrate#\*#supplier\_min\_price# That way, if you decide to modify this rate, you don’t have to go every product, but simply change this global value. Regards, Marc ---
**Author:** ![aduplessis](https://www.dolibarr.org/forum/letter_avatar_proxy/v4/letter/a/9fc29f/32.png) [@aduplessis](https://www.dolibarr.org/forum/u/aduplessis)\ **Post date:** [February 18, 2020, 9:55am UTC](https://www.dolibarr.org/forum/t/price-expression-editor-error/18490/5 "2020-02-18T09:55:02Z")
Hi Marc, Tried the global variable (price=#global\_retailrate#\*#supplier\_min\_price#) gives me below error, any suggestions? ![image](https://www.dolibarr.org/forum/uploads/dolibarrorg/original/2X/6/6dd4485fb7c44a7d6bcdddb1c8859ac2d7b7e06f.png) Regards, Andre ---
**Author:** ![simicar](https://www.dolibarr.org/forum/user_avatar/www.dolibarr.org/simicar/32/3072_2.png) [@simicar](https://www.dolibarr.org/forum/u/simicar)\ **Post date:** [February 18, 2020, 10:24am UTC](https://www.dolibarr.org/forum/t/price-expression-editor-error/18490/6 "2020-02-18T10:24:54Z")
Well, I don’t know what you did exactly. In order to define a global variable, you go in the configuration option of the dynamic price module and enter something like the attached screenshot. ![Capture d’écran du 2020-02-18 11-16-38](https://www.dolibarr.org/forum/uploads/dolibarrorg/original/2X/9/92e26fbb32a6647775494aa9906f57c7332c7c89.png) Then, under the ‘selling price’ of your article, you ‘Update default price’, allowing you to define a price expression. ![Capture d’écran du 2020-02-18 11-18-24](https://www.dolibarr.org/forum/uploads/dolibarrorg/original/2X/8/8f927a8bca933879e0a9e6dad97b414e6abaeca4.png) In the price expression editor, you enter the formula : ![Capture d’écran du 2020-02-18 11-17-51](https://www.dolibarr.org/forum/uploads/dolibarrorg/original/2X/0/02aed0533395cb7bcaaf304a1584d4a7ae90f6e3.png) Was that the procedure you followed ? Regards, Marc ---
**Author:** ![aduplessis](https://www.dolibarr.org/forum/letter_avatar_proxy/v4/letter/a/9fc29f/32.png) [@aduplessis](https://www.dolibarr.org/forum/u/aduplessis)\ **Post date:** [February 19, 2020, 5:27am UTC](https://www.dolibarr.org/forum/t/price-expression-editor-error/18490/7 "2020-02-19T05:27:29Z")
Hi Marc, Followed your process, it is working now thank you. Regards, André ---
**Author:** ![electrosecserv](https://www.dolibarr.org/forum/letter_avatar_proxy/v4/letter/e/b9e5f3/32.png) [@electrosecserv](https://www.dolibarr.org/forum/u/electrosecserv)\ **Post date:** [March 15, 2021, 6:59pm UTC](https://www.dolibarr.org/forum/t/price-expression-editor-error/18490/8 "2021-03-15T18:59:58Z")
Hello Marc, This works just as I wanted, thank you for yor help