Getting error "INV INV_VALID_CAT" during call of API INV_ITEM_CATEGORY_PUB.UPDATE_CATEGORY

Hi -  API "INV_ITEM_CATEGORY_PUB.UPDATE_CATEGORY" through error "INV  INV_VALID_CAT" when trying to update item category conc segment value through anonymous block.

Using below code:-

--==========================================================

DECLARE

  v_return_status  VARCHAR2(1)   := NULL;

  v_msg_count      NUMBER        := 0;

  v_msg_data       VARCHAR2(2000);

  v_errorcode      VARCHAR2(1000);

  v_category_rec   INV_ITEM_CATEGORY_PUB.CATEGORY_REC_TYPE;

  v_context         VARCHAR2 (2);

  l_responsibility_id NUMBER;

  l_application_id   NUMBER;

  l_user_id  NUMBER;

--- context done ------------

BEGIN

fnd_global.APPS_INITIALIZE(user_id=>1126,

                                             resp_id=>50749,

                                             resp_appl_id=>401);

v_category_rec              := NULL;

v_category_rec.category_id  := '705303' ;  -- category_id exist