[4] 在你的工程文件中选择 Build Setting，在"Other Linker Flags"中加入"-ObjC -all_load"，在 Search Paths 中添加 libWeChatSDK.a ，WXApi.h，WXApiObject.h，文件所在位置（如下图所示）。

https://developers.weixin.qq.com/doc/oplatform/Mobile_App/Access_Guide/iOS.html

请问这一步做了吗？

ios 引用 cordova-plugin-wechat 插件，并注册了微信支付的ios平台信息

但是支付调用时，返回错误信息：“请求支付失败”

解决了么，求告知

请问这个问题解决了吗，我这边也遇到这个问题

2020-01-20 14:19:23.707897+0800 writeHelp_ios[49836:5451815] +[WXApi registerApp:enableMTA:]: unrecognized selector sent to class 0x10d499e08

2020-01-20 14:19:32.148470+0800 writeHelp_ios[49836:5451815] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '+[WXApi registerApp:enableMTA:]: unrecognized selector sent to class 0x10d499e08'

*** First throw call stack:

0   CoreFoundation                      0x000000010e29527e __exceptionPreprocess + 350

1   libobjc.A.dylib                     0x000000011243bb20 objc_exception_throw + 48

2   CoreFoundation                      0x000000010e2b5ed4 +[NSObject(NSObject) doesNotRecognizeSelector:] + 132

3   CoreFoundation                      0x000000010e299c4c ___forwarding___ + 1436

4   CoreFoundation                      0x000000010e29bf78 _CF_forwarding_prep_0 + 120

5   writeHelp_ios                       0x000000010cf0330f -[AppDelegate application:didFinishLaunchingWithOptions:] + 3615

6   UIKitCore                           0x0000000119ba0ad8 -[UIApplication _handleDelegateCallbacksWithOptions:isSuspended:restoreState:] + 232

7   UIKitCore                           0x0000000119ba2460 -[UIApplication _callInitializationDelegatesWithActions:forCanvas:payload:fromOriginatingProcess:] + 3980

8   UIKitCore                           0x0000000119ba7f05 -[UIApplication _runWithMainScene:transitionContext:completion:] + 1226

9   UIKitCore                           0x00000001192dc76d -[_UISceneLifecycleMultiplexer completeApplicationLaunchWithFBSScene:transitionContext:] + 122

10  UIKitCore                           0x00000001197cb4c1 _UIScenePerformActionsWithLifecycleActionMask + 83

11  UIKitCore                           0x00000001192dd27f __101-[_UISceneLifecycleMultiplexer _evalTransitionToSettings:fromSettings:forceExit:withTransitionStore:]_block_invoke + 198

12  UIKitCore                           0x00000001192dcc8e -[_UISceneLifecycleMultiplexer _performBlock:withApplicationOfDeactivationReasons:fromReasons:] + 296

13  UIKitCore                           0x00000001192dd0ac -[_UISceneLifecycleMultiplexer _evalTransitionToSettings:fromSettings:forceExit:withTransitionStore:] + 818

14  UIKitCore                           0x00000001192dc941 -[_UISceneLifecycleMultiplexer uiScene:transitionedFromState:withTransitionContext:] + 345

15  UIKitCore                           0x00000001192e0f3f __186-[_UIWindowSceneFBSSceneTransitionContextDrivenLifecycleSettingsDiffAction _performActionsForUIScene:withUpdatedFBSScene:settingsDiff:fromSettings:transitionContext:lifecycleActionType:]_block_invoke_2 + 178

16  UIKitCore                           0x00000001196efc83 +[BSAnimationSettings(UIKit) tryAnimatingWithSettings:actions:completion:] + 865

17  UIKitCore                           0x00000001197e9dff _UISceneSettingsDiffActionPerformChangesWithTransitionContext + 240

18  UIKitCore                           0x00000001192e0c5a __186-[_UIWindowSceneFBSSceneTransitionContextDrivenLifecycleSettingsDiffAction _performActionsForUIScene:withUpdatedFBSScene:settingsDiff:fromSettings:transitionContext:lifecycleActionType:]_block_invoke + 153

19  UIKitCore                           0x00000001197e9d02 _UISceneSettingsDiffActionPerformActionsWithDelayForTransitionContext + 84

20  UIKitCore                           0x00000001192e0ac8 -[_UIWindowSceneFBSSceneTransitionContextDrivenLifecycleSettingsDiffAction _performActionsForUIScene:withUpdatedFBSScene:settingsDiff:fromSettings:transitionContext:lifecycleActionType:] + 381

21  UIKitCore                           0x00000001191376e7 __64-[UIScene scene:didUpdateWithDiff:transitionContext:completion:]_block_invoke + 657

22  UIKitCore                           0x000000011913626c -[UIScene _emitSceneSettingsUpdateResponseForCompletion:afterSceneUpdateWork:] + 248

23  UIKitCore                           0x0000000119137411 -[UIScene scene:didUpdateWithDiff:transitionContext:completion:] + 210

24  UIKitCore                           0x0000000119ba6599 -[UIApplication workspace:didCreateScene:withTransitionContext:completion:] + 535

25  UIKitCore                           0x00000001197117f5 -[UIApplicationSceneClientAgent scene:didInitializeWithEvent:completion:] + 361

26  FrontBoardServices                  0x000000011732f165 -[FBSSceneImpl _callOutQueue_agent_didCreateWithTransitionContext:completion:] + 442

27  FrontBoardServices                  0x00000001173554d8 __86-[FBSWorkspaceScenesClient sceneID:createWithParameters:transitionContext:completion:]_block_invoke.154 + 102

28  FrontBoardServices                  0x0000000117339c45 -[FBSWorkspace _calloutQueue_executeCalloutFromSource:withBlock:] + 220

29  FrontBoardServices                  0x0000000117355169 __86-[FBSWorkspaceScenesClient sceneID:createWithParameters:transitionContext:completion:]_block_invoke + 355

30  libdispatch.dylib                   0x00000001136b4d48 _dispatch_client_callout + 8

31  libdispatch.dylib                   0x00000001136b7cb9 _dispatch_block_invoke_direct + 300

32  FrontBoardServices                  0x000000011737b37e __FBSSERIALQUEUE_IS_CALLING_OUT_TO_A_BLOCK__ + 30

33  FrontBoardServices                  0x000000011737b06c -[FBSSerialQueue _queue_performNextIfPossible] + 441

34  FrontBoardServices                  0x000000011737b57b -[FBSSerialQueue _performNextFromRunLoopSource] + 22

35  CoreFoundation                      0x000000010e1f8471 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17

36  CoreFoundation                      0x000000010e1f839c __CFRunLoopDoSource0 + 76

37  CoreFoundation                      0x000000010e1f7b74 __CFRunLoopDoSources0 + 180

38  CoreFoundation                      0x000000010e1f287f __CFRunLoopRun + 1263

39  CoreFoundation                      0x000000010e1f2066 CFRunLoopRunSpecific + 438

40  GraphicsServices                    0x0000000116889bb0 GSEventRunModal + 65

41  UIKitCore                           0x0000000119ba9d4d UIApplicationMain + 1621

42  writeHelp_ios                       0x000000010cffde00 main + 112

43  libdyld.dylib                       0x000000011373cc25 start + 1

libc++abi.dylib: terminating with uncaught exception of type NSException

没人管了？？

我也是这样的问题，请问楼主解决了吗？

我这边也遇到了这个问题，-all_load，-force_load都试过了都不行,楼主有解决办法了吗

请具体描述问题出现的流程。