Thread:Extension talk:Scribunto/table index is nil/reply (2)

thank you very much! as you told me ,i var_dumped the namespaces, found that my main namespace is string(0). Can you please tell me how to fix it? [0]=>   array(17) { ["id"]=> int(0) ["name"]=> string(0) "" ["canonicalName"]=> string(0) "" ["hasSubpages"]=> bool(true) ["hasGenderDistinction"]=> bool(false) ["isCapitalized"]=> bool(true) ["isContent"]=> bool(true) ["isIncludable"]=> bool(true) ["isMovable"]=> bool(true) ["isSubject"]=> bool(true) ["isTalk"]=> bool(false) ["defaultContentModel"]=> NULL ["aliases"]=> array(0) { }     ["subject"]=> int(0) ["talk"]=> int(1) ["associated"]=> int(1) ["displayName"]=> string(9) "（主）" }   [1]=>    array(16) { ["id"]=> int(1) ["name"]=> string(6) "讨论" ["canonicalName"]=> string(4) "Talk" ["hasSubpages"]=> bool(true) ["hasGenderDistinction"]=> bool(false) ["isCapitalized"]=> bool(true) ["isContent"]=> bool(false) ["isIncludable"]=> bool(true) ["isMovable"]=> bool(true) ["isSubject"]=> bool(false) ["isTalk"]=> bool(true) ["defaultContentModel"]=> NULL ["aliases"]=> array(0) { }     ["subject"]=> int(0) ["talk"]=> int(1) ["associated"]=> int(0) }