Stop getting or loosing data due to Unchecked runtime.lastError: The message port closed before a response was received

Web Scraper version: 0.4.1
Chrome version: 73.0.3683.103 (official build) (64 bits)
OS: Windows 10 64bits

Sitemap:

{id:"{"_id":"annuaireplus2019","startUrl":["https://www.agendaplus.be/index.php/be/publications/annuaire"],"selectors":[{"id":"Categorie","type":"SelectorText","parentSelectors":["_root"],"selector":"span.annuaire_main_section_title","multiple":true,"regex":"","delay":0},{"id":"Sous_Catégorie","type":"SelectorLink","parentSelectors":["_root"],"selector":"div.annuaire_main_section:nth-of-type(1) a","multiple":true,"delay":0},{"id":"LiensInd","type":"SelectorLink","parentSelectors":["Sous_Catégorie"],"selector":".annuaire_subsection_list_cell a","multiple":true,"delay":0},{"id":"Nom","type":"SelectorText","parentSelectors":["LiensInd"],"selector":"h1","multiple":false,"regex":"","delay":0},{"id":"Détails","type":"SelectorText","parentSelectors":["LiensInd"],"selector":"[itemtype='http://schema.org/Organization'] p","multiple":false,"regex":"","delay":0},{"id":"Adresse","type":"SelectorText","parentSelectors":["LiensInd"],"selector":"span[itemprop='streetAddress']","multiple":false,"regex":"","delay":0},{"id":"CodePostal","type":"SelectorText","parentSelectors":["LiensInd"],"selector":"span[itemprop='postalCode']","multiple":false,"regex":"","delay":0},{"id":"Ville","type":"SelectorText","parentSelectors":["LiensInd"],"selector":"span[itemprop='addressLocality']","multiple":false,"regex":"","delay":0},{"id":"Email","type":"SelectorText","parentSelectors":["LiensInd"],"selector":"span[itemprop='email']","multiple":false,"regex":"","delay":0},{"id":"WebSite","type":"SelectorText","parentSelectors":["LiensInd"],"selector":"a[itemprop='url']","multiple":false,"regex":"","delay":0},{"id":"Photo","type":"SelectorImage","parentSelectors":["LiensInd"],"selector":"[itemtype='http://schema.org/Organization'] img","multiple":false,"delay":0}]}"}

Error Message:
Stop getting or loosing data due to Unchecked runtime.lastError: The message port closed before a response was received

It runs and after a while it is loosing a lot of data due to above error message.
Site I'm using is https://www.agendaplus.be/index.php/be/publications/annuaire

Any help appreciated,

Jean-Frederic

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