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Post an ad on the wall site

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f.hosseinjani92
f.hosseinjani92
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When I want to publish an ad with Mozilla on the wall site, it gives this message while receiving ... Exception calling application: unsupported operand type (s) for +: 'NoneType' and 'str'

When I want to publish an ad with Mozilla on the wall site, it gives this message while receiving ... Exception calling application: unsupported operand type (s) for +: 'NoneType' and 'str'