### Chinese: 即将举行的海合会峰会将是自从一些成员国与卡塔尔的争议结束以来海合会国家的首次峰会。
### English: The upcoming GCC summit will be the first of the GCC countries since the dispute between some member states and Qatar ended.
### Errors: There is a major error at "first of the GCC countries". There is a minor error at "ended".

### Improved English: The summit of the Gulf Cooperation Council to be held soon will be the first summit for countries of the Gulf Cooperation Council since the end of the dispute between some member countries and Qatar.