Error Codes of Logic Components
NOTE
This topic describes only module-specific error codes. For details about universal error codes, see Universal Error Codes.
103801 Failed to Generate ForEach ID
Error Message
use of default id generator function not possible on provided data structure.Need to specify id generator function (ForEach 3rd parameter).Application Error!
Description
This error code is reported when the default key value generation function of ForEach cannot generate key values based on the provided data structure.
Possible Causes
The data source you provide cannot generate key values. For example, the data item type is incorrect.
Solution
Modify the data source object or manually implement a key value generation function. For details, see Key Generation Rules.
103802 Failed to Render the Subnode
Error Message
lacks mandatory '.each' attribute function, i.e. has no default item builder. Application error!
Description
This error code is reported when the 'each' attribute is missing.
Possible Causes
The 'each' attribute is missing.
Solution
Set 'each' to provide the default component generator.
103803 Invalid Index Value
Error Message
__RepeatVirtualScrollImpl (eg:1) onCreateNode: for index=(eg:7) with data array length (eg:5), totalCount= (eg:5) out of range error.
Description
This error code is reported when the node index exceeds the data source length.
Possible Causes
The data source length is incorrectly set, or the data source is added or deleted at an improper time.
Solution
Set the index and data source length correctly to ensure that the index is less than the data source length.
103804 Invalid Operation During Lazy Loading of Repeat
Error Message
onLazyLoading function executed illegal operation.
Description
This error code is reported when invalid data operations are performed in the lazy loading scenario.
Possible Causes
The lazy loading method is incorrectly used.
Solution
Use the lazy loading method properly. For details, see Precise Lazy Loading.
103805 Failed to Generate the Default Key Value
Error Message
Repeat(). Default key gen failed. Application Error!
Description
This error code is reported when the default key value of Repeat fails to be generated.
Possible Causes
The data source is incorrectly set.
Solution
Set the data source properly. For details, see Key Generation Rules.
你可能感兴趣的鸿蒙文章
openharmony 鸿蒙 arkts-apis-uicontext-contextmenucontroller
openharmony 鸿蒙 errorcode-canvas
openharmony 鸿蒙 capi-oh-nativexcomponent-native-xcomponent-oh-nativexcomponent
openharmony 鸿蒙 errorcode-bindSheet
openharmony 鸿蒙 js-apis-arkui-uiExtension-sys
openharmony 鸿蒙 capi-arkui-accessibility-arkui-accessibilityeventinfo
openharmony 鸿蒙 capi-arkui-rendernodeutils
openharmony 鸿蒙 js-apis-arkui-node
openharmony 鸿蒙 capi-native-node-h
openharmony 鸿蒙 capi-arkui-nativemodule-arkui-listitemswipeactionitem