[Task & Discussions] | Reviewer Pariticapants- Task & Discussion form, When adding a reviewer with disclosed author it throws a haystack error

[Tribunal33]

Valid Title

• I have updated the title to accurately reflect the bug description

Description

Found during the testing of reviewer implementation of tasks and discussions. When a disclosed author reviewer is added it throws a haystack error (see screenshot below)

Steps to Reproduce

1. Prerequisite - Must have a reviewer with diclosed author review type that has accepted the review opportunity
2. Login with any role JM/JE admin
3. Navigate to a submission in review
4. Add discussion
5. Fill in discussion form (title, comment etc..)
6. In the participants list choose the disclosed author reviewer and any other non reviewer participants
7. Select Save

Expected Result

Should save and add the discussion or task

Actual Result

Throws an error.

Environment Details

No response

Application Version

OJS 3.6 with task and discussons option on

Logs

[Fri Jan 09 19:26:55.756393 2026] [php:notice] [pid 75905] [client 99.240.110.28:63992] TypeError: in_array(): Argument #2 ($haystack) must be of type array, int given in /var/www/91.99.202.113.sslip.io/ojs/pr-5222/lib/pkp/api/v1/submissions/tasks/formRequests/EditTask.php:144\nStack trace:\n#0 /var/www/91.99.202.113.sslip.io/ojs/pr-5222/lib/pkp/api/v1/submissions/tasks/formRequests/EditTask.php(144): in_array()\n#1 /var/www/91.99.202.113.sslip.io/ojs/pr-5222/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Validation/ClosureValidationRule.php(63): PKP\API\v1\submissions\tasks\formRequests\EditTask->PKP\API\v1\submissions\tasks\formRequests\{closure}()\n#2 /var/www/91.99.202.113.sslip.io/ojs/pr-5222/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Validation/ClosureValidationRule.php(63): Closure->__invoke()\n#3 /var/www/91.99.202.113.sslip.io/ojs/pr-5222/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Validation/Validator.php(902): Illuminate\Validation\ClosureValidationRule->passes()\n#4 /var/www/91.99.202.113.sslip.io/ojs/pr-5222/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Validation/Validator.php(678): Illuminate\Validation\Validator->validateUsingCustomRule()\n#5 /var/www/91.99.202.113.sslip.io/ojs/pr-5222/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Validation/Validator.php(481): Illuminate\Validation\Validator->validateAttribute()\n#6 /var/www/91.99.202.113.sslip.io/ojs/pr-5222/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Validation/Validator.php(516): Illuminate\Validation\Validator->passes()\n#7 /var/www/91.99.202.113.sslip.io/ojs/pr-5222/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Validation/ValidatesWhenResolvedTrait.php(31): Illuminate\Validation\Validator->fails()\n#8 /var/www/91.99.202.113.sslip.io/ojs/pr-5222/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Foundation/Providers/FormRequestServiceProvider.php(30): Illuminate\Foundation\Http\FormRequest->validateResolved()\n#9 /var/www/91.99.202.113.sslip.io/ojs/pr-5222/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Container/Container.php(1432): Illuminate\Foundation\Providers\FormRequestServiceProvider->Illuminate\Foundation\Providers\{closure}()\n#10 /var/www/91.99.202.113.sslip.io/ojs/pr-5222/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Container/Container.php(1368): Illuminate\Container\Container->fireCallbackArray()\n#11 /var/www/91.99.202.113.sslip.io/ojs/pr-5222/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Container/Container.php(1354): Illuminate\Container\Container->fireAfterResolvingCallbacks()\n#12 /var/www/91.99.202.113.sslip.io/ojs/pr-5222/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Container/Container.php(850): Illuminate\Container\Container->fireResolvingCallbacks()\n#13 /var/www/91.99.202.113.sslip.io/ojs/pr-5222/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Container/Container.php(763): Illuminate\Container\Container->resolve()\n#14 /var/www/91.99.202.113.sslip.io/ojs/pr-5222/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Routing/ResolvesRouteDependencies.php(92): Illuminate\Container\Container->make()\n#15 /var/www/91.99.202.113.sslip.io/ojs/pr-5222/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Routing/ResolvesRouteDependencies.php(51): Illuminate\Routing\CallableDispatcher->transformDependency()\n#16 /var/www/91.99.202.113.sslip.io/ojs/pr-5222/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Routing/CallableDispatcher.php(52): Illuminate\Routing\CallableDispatcher->resolveMethodDependencies()\n#17 /var/www/91.99.202.113.sslip.io/ojs/pr-5222/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Routing/CallableDispatcher.php(40): Illuminate\Routing\CallableDispatcher->resolveParameters()\n#18 /var/www/91.99.202.113.sslip.io/ojs/pr-5222/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Routing/Route.php(244): Illuminate\Routing\CallableDispatcher->dispatch()\n#19 /var/www/91.99.202.113.sslip.io/ojs/pr-5222/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Routing/Route.php(215): Illuminate\Routing\Route->runCallable()\n#20 /var/www/91.99.202.113.sslip.io/ojs/pr-5222/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Routing/Router.php(808): Illuminate\Routing\Route->run()\n#21 /var/www/91.99.202.113.sslip.io/ojs/pr-5222/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(170): Illuminate\Routing\Router->Illuminate\Routing\{closure}()\n#22 /var/www/91.99.202.113.sslip.io/ojs/pr-5222/lib/pkp/classes/middleware/HasRoles.php(75): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}()\n#23 /var/www/91.99.202.113.sslip.io/ojs/pr-5222/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(209): PKP\middleware\HasRoles->handle()\n#24 /var/www/91.99.202.113.sslip.io/ojs/pr-5222/lib/pkp/classes/middleware/HasContext.php(35): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}()\n#25 /var/www/91.99.202.113.sslip.io/ojs/pr-5222/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(209): PKP\middleware\HasContext->handle()\n#26 /var/www/91.99.202.113.sslip.io/ojs/pr-5222/lib/pkp/classes/middleware/HasUser.php(35): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}()\n#27 /var/www/91.99.202.113.sslip.io/ojs/pr-5222/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(209): PKP\middleware\HasUser->handle()\n#28 /var/www/91.99.202.113.sslip.io/ojs/pr-5222/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(127): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}()\n#29 /var/www/91.99.202.113.sslip.io/ojs/pr-5222/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Routing/Router.php(807): Illuminate\Pipeline\Pipeline->then()\n#30 /var/www/91.99.202.113.sslip.io/ojs/pr-5222/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Routing/Router.php(786): Illuminate\Routing\Router->runRouteWithinStack()\n#31 /var/www/91.99.202.113.sslip.io/ojs/pr-5222/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Routing/Router.php(750): Illuminate\Routing\Router->runRoute()\n#32 /var/www/91.99.202.113.sslip.io/ojs/pr-5222/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Routing/Router.php(739): Illuminate\Routing\Router->dispatchToRoute()\n#33 /var/www/91.99.202.113.sslip.io/ojs/pr-5222/lib/pkp/classes/handler/APIHandler.php(104): Illuminate\Routing\Router->dispatch()\n#34 /var/www/91.99.202.113.sslip.io/ojs/pr-5222/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(170): PKP\handler\APIHandler->PKP\handler\{closure}()\n#35 /var/www/91.99.202.113.sslip.io/ojs/pr-5222/lib/pkp/classes/middleware/PolicyAuthorizer.php(111): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}()\n#36 /var/www/91.99.202.113.sslip.io/ojs/pr-5222/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(209): PKP\middleware\PolicyAuthorizer->handle()\n#37 /var/www/91.99.202.113.sslip.io/ojs/pr-5222/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/TransformsRequest.php(21): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}()\n#38 /var/www/91.99.202.113.sslip.io/ojs/pr-5222/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/ConvertEmptyStringsToNull.php(31): Illuminate\Foundation\Http\Middleware\TransformsRequest->handle()\n#39 /var/www/91.99.202.113.sslip.io/ojs/pr-5222/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(209): Illuminate\Foundation\Http\Middleware\ConvertEmptyStringsToNull->handle()\n#40 /var/www/91.99.202.113.sslip.io/ojs/pr-5222/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/TransformsRequest.php(21): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}()\n#41 /var/www/91.99.202.113.sslip.io/ojs/pr-5222/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/TrimStrings.php(51): Illuminate\Foundation\Http\Middleware\TransformsRequest->handle()\n#42 /var/www/91.99.202.113.sslip.io/ojs/pr-5222/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Pipeline/Pip

Additional Information

No response