facing entry point isssue in native script

[kapil9-10]

i want to use datepicker and Redautocompletetextbox but for both it's showing entry point error

package.json

"dependencies": {
"@angular/animations": "~9.1.0",
"@angular/common": "~9.1.0",
"@angular/compiler": "~9.1.0",
"@angular/core": "~9.1.0",
"@angular/forms": "~9.1.0",
"@angular/platform-browser": "~9.1.0",
"@angular/platform-browser-dynamic": "~9.1.0",
"@angular/router": "~9.1.0",
"@nativescript/angular": "~9.0.0",
"@nativescript/theme": "~2.3.0",
"@nstudio/nativescript-checkbox": "^1.0.0",
"nativescript-datetimepicker": "^1.2.2",
"nativescript-intl": "^4.0.1",
"nativescript-ui-calendar": "^6.1.0",
"reflect-metadata": "~0.1.12",
"rxjs": "^6.5.0",
"tns-core-modules": "~6.5.0",
"zone.js": "~0.10.3"
},

ERROR ***********************************************************************************************************************

There is no appropriate source code format in 'C:/Users/shama/TravelGo/node_modules/nativescript-datetimepicker' entry-point.
at DependencyResolver.getEntryPointFormatInfo (C:\Users\shama\TravelGo\node_modules@angular\compiler-cli\ngcc\src\dependencies\dependency_resolver.js:164:19)
at DependencyResolver.getEntryPointWithDependencies (C:\Users\shama\TravelGo\node_modules@angular\compiler-cli\ngcc\src\dependencies\dependency_resolver.js:70:39)
at DirectoryWalkerEntryPointFinder.walkDirectoryForPackages (C:\Users\shama\TravelGo\node_modules@angular\compiler-cli\ngcc\src\entry_point_finder\directory_walker_entry_point_finder.js:87:48)
at DirectoryWalkerEntryPointFinder.walkDirectoryForPackages (C:\Users\shama\TravelGo\node_modules@angular\compiler-cli\ngcc\src\entry_point_finder\directory_walker_entry_point_finder.js:114:79)
at C:\Users\shama\TravelGo\node_modules@angular\compiler-cli\ngcc\src\entry_point_finder\directory_walker_entry_point_finder.js:64:80
at Object.trackDuration (C:\Users\shama\TravelGo\node_modules@angular\compiler-cli\ngcc\src\entry_point_finder\utils.js:92:22)
at DirectoryWalkerEntryPointFinder.walkBasePathForPackages (C:\Users\shama\TravelGo\node_modules@angular\compiler-cli\ngcc\src\entry_point_finder\directory_walker_entry_point_finder.js:64:39)
at DirectoryWalkerEntryPointFinder.findEntryPoints (C:\Users\shama\TravelGo\node_modules@angular\compiler-cli\ngcc\src\entry_point_finder\directory_walker_entry_point_finder.js:42:30)
at C:\Users\shama\TravelGo\node_modules@angular\compiler-cli\ngcc\src\execution\analyze_entry_points.js:27:41
at new ClusterMaster (C:\Users\shama\TravelGo\node_modules@angular\compiler-cli\ngcc\src\execution\cluster\master.js:44:30)
C:\Users\shama\TravelGo\node_modules\webpack-cli\bin\cli.js:453
throw err;
^

Error: NGCC failed.
at NgccProcessor.process (C:\Users\shama\TravelGo\node_modules@ngtools\webpack\src\ngcc_processor.js:76:19)
at C:\Users\shama\TravelGo\node_modules@ngtools\webpack\src\angular_compiler_plugin.js:579:31
at SyncHook.eval [as call] (eval at create (C:\Users\shama\TravelGo\node_modules\tapable\lib\HookCodeFactory.js:19:10), :7:1)
at SyncHook.lazyCompileHook (C:\Users\shama\TravelGo\node_modules\tapable\lib\Hook.js:154:20)
at webpack (C:\Users\shama\TravelGo\node_modules\webpack\lib\webpack.js:51:30)
at processOptions (C:\Users\shama\TravelGo\node_modules\webpack-cli\bin\cli.js:441:16)
at C:\Users\shama\TravelGo\node_modules\webpack-cli\bin\cli.js:536:3
at Object.parse (C:\Users\shama\TravelGo\node_modules\webpack-cli\node_modules\yargs\yargs.js:567:18)
at C:\Users\shama\TravelGo\node_modules\webpack-cli\bin\cli.js:219:8
at Object. (C:\Users\shama\TravelGo\node_modules\webpack-cli\bin\cli.js:538:3)
at Module._compile (internal/modules/cjs/loader.js:1138:30)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:1158:10)
at Module.load (internal/modules/cjs/loader.js:986:32)
at Function.Module._load (internal/modules/cjs/loader.js:879:14)
at Module.require (internal/modules/cjs/loader.js:1026:19)
at require (internal/modules/cjs/helpers.js:72:18)
at Object. (C:\Users\shama\TravelGo\node_modules\webpack\bin\webpack.js:155:2)
at Module._compile (internal/modules/cjs/loader.js:1138:30)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:1158:10)
at Module.load (internal/modules/cjs/loader.js:986:32)
at Function.Module._load (internal/modules/cjs/loader.js:879:14)
at Function.executeUserEntryPoint [as runMain] (internal/modules/run_main.js:71:12)
at internal/main/run_main_module.js:17:47
Executing webpack failed with exit code 1.

[Robernator]

You need this:
"@nativescript/datetimepicker": "~2.1.0",