InvalidRequestException: No such plan exists
On both a contribution page with contribution only section used and a contribution page with membership they both fail if you do a recurring option (month or year).
This looks to be multisite related as domain ID 1 does not have this problem with recurrings.
Civi 5.35.2 Strpe 6.7-dev
Stripe\Exception\InvalidRequestException: "No such plan: 'every-1-year-2500-usd-test'"
#0 .../wp-content/uploads/civicrm/ext/stripe/vendor/stripe/stripe-php/lib/Exception/InvalidRequestException.php(35): Stripe\Exception\ApiErrorException::factory("No such plan: 'every-1-year-2500-usd-test'", 404, "{\n \"error\": {\n \"code\": \"resource_missing\",\n \"doc_url\": \"ht...", (Array:1), Object(Stripe\Util\CaseInsensitiveArray), "resource_missing")
#1 .../wp-content/uploads/civicrm/ext/stripe/vendor/stripe/stripe-php/lib/ApiRequestor.php(189): Stripe\Exception\InvalidRequestException::factory("No such plan: 'every-1-year-2500-usd-test'", 404, "{\n \"error\": {\n \"code\": \"resource_missing\",\n \"doc_url\": \"ht...", (Array:1), Object(Stripe\Util\CaseInsensitiveArray), "resource_missing", "plan")
#2 .../wp-content/uploads/civicrm/ext/stripe/vendor/stripe/stripe-php/lib/ApiRequestor.php(151): Stripe\ApiRequestor::_specificAPIError("{\n \"error\": {\n \"code\": \"resource_missing\",\n \"doc_url\": \"ht...", 404, Object(Stripe\Util\CaseInsensitiveArray), (Array:1), (Array:5))
#3 .../wp-content/uploads/civicrm/ext/stripe/vendor/stripe/stripe-php/lib/ApiRequestor.php(489): Stripe\ApiRequestor->handleErrorResponse("{\n \"error\": {\n \"code\": \"resource_missing\",\n \"doc_url\": \"ht...", 404, Object(Stripe\Util\CaseInsensitiveArray), (Array:1))
#4 .../wp-content/uploads/civicrm/ext/stripe/vendor/stripe/stripe-php/lib/ApiRequestor.php(120): Stripe\ApiRequestor->_interpretResponse("{\n \"error\": {\n \"code\": \"resource_missing\",\n \"doc_url\": \"ht...", 404, Object(Stripe\Util\CaseInsensitiveArray))
#5 .../wp-content/uploads/civicrm/ext/stripe/vendor/stripe/stripe-php/lib/BaseStripeClient.php(134): Stripe\ApiRequestor->request("get", "/v1/plans/every-1-year-2500-usd-test", (Array:0), (Array:2))
#6 .../wp-content/uploads/civicrm/ext/stripe/vendor/stripe/stripe-php/lib/Service/AbstractService.php(59): Stripe\BaseStripeClient->request("get", "/v1/plans/every-1-year-2500-usd-test", NULL, Object(Stripe\Util\RequestOptions))
#7 .../wp-content/uploads/civicrm/ext/stripe/vendor/stripe/stripe-php/lib/Service/PlanService.php(71): Stripe\Service\AbstractService->request("get", "/v1/plans/every-1-year-2500-usd-test", NULL, NULL)
#8 .../wp-content/uploads/civicrm/ext/stripe/CRM/Core/Payment/Stripe.php(310): Stripe\Service\PlanService->retrieve("every-1-year-2500-usd-test")
#9 .../wp-content/uploads/civicrm/ext/stripe/CRM/Core/Payment/Stripe.php(718): CRM_Core_Payment_Stripe->createPlan((Array:47), "2500")
#10 .../wp-content/uploads/civicrm/ext/stripe/CRM/Core/Payment/Stripe.php(606): CRM_Core_Payment_Stripe->doRecurPayment(Object(Civi\Payment\PropertyBag), "2500", Object(Stripe\Customer), Object(Stripe\PaymentMethod))
#11 .../wp-content/plugins/civicrm/civicrm/CRM/Contribute/Form/Contribution/Confirm.php(1788): CRM_Core_Payment_Stripe->doPayment(Object(Civi\Payment\PropertyBag), "contribute")
#12 .../wp-content/plugins/civicrm/civicrm/CRM/Contribute/Form/Contribution/Confirm.php(1532): CRM_Contribute_Form_Contribution_Confirm->postProcessMembership((Array:74), "20", Object(CRM_Contribute_Form_Contribution_Confirm), (Array:58), (Array:0), (Array:0), (Array:19), (Array:1), TRUE, NULL, FALSE, "2", (Array:1))
#13 .../wp-content/plugins/civicrm/civicrm/CRM/Contribute/Form/Contribution/Confirm.php(2589): CRM_Contribute_Form_Contribution_Confirm->processMembership((Array:64), "20", (Array:0), (Array:0), (Array:58), (Array:1))
#14 .../wp-content/plugins/civicrm/civicrm/CRM/Contribute/Form/Contribution/Confirm.php(2434): CRM_Contribute_Form_Contribution_Confirm->doMembershipProcessing("20", (Array:64), (Array:58), (Array:1))
#15 .../wp-content/plugins/civicrm/civicrm/CRM/Contribute/Form/Contribution/Confirm.php(858): CRM_Contribute_Form_Contribution_Confirm->processFormSubmission("20")
#16 .../wp-content/plugins/civicrm/civicrm/CRM/Core/Form.php(513): CRM_Contribute_Form_Contribution_Confirm->postProcess()
#17 .../wp-content/plugins/civicrm/civicrm/CRM/Contribute/Form/Contribution/Main.php(1455): CRM_Core_Form->mainProcess()
#18 .../wp-content/plugins/civicrm/civicrm/CRM/Contribute/Form/Contribution/Main.php(1197): CRM_Contribute_Form_Contribution_Main->skipToThankYouPage()
#19 .../wp-content/plugins/civicrm/civicrm/CRM/Core/Form.php(513): CRM_Contribute_Form_Contribution_Main->postProcess()
#20 .../wp-content/plugins/civicrm/civicrm/CRM/Core/QuickForm/Action/Upload.php(152): CRM_Core_Form->mainProcess()
#21 .../wp-content/plugins/civicrm/civicrm/CRM/Core/QuickForm/Action/Upload.php(119): CRM_Core_QuickForm_Action_Upload->realPerform(Object(CRM_Contribute_Form_Contribution_Main), "upload")
#22 .../wp-content/plugins/civicrm/civicrm/packages/HTML/QuickForm/Controller.php(203): CRM_Core_QuickForm_Action_Upload->perform(Object(CRM_Contribute_Form_Contribution_Main), "upload")
#23 .../wp-content/plugins/civicrm/civicrm/packages/HTML/QuickForm/Page.php(103): HTML_QuickForm_Controller->handle(Object(CRM_Contribute_Form_Contribution_Main), "upload")
#24 .../wp-content/plugins/civicrm/civicrm/CRM/Core/Controller.php(347): HTML_QuickForm_Page->handle("upload")
#25 .../wp-content/plugins/civicrm/civicrm/CRM/Core/Invoke.php(312): CRM_Core_Controller->run((Array:3), NULL)
#26 .../wp-content/plugins/civicrm/civicrm/CRM/Core/Invoke.php(68): CRM_Core_Invoke::runItem((Array:15))
#27 .../wp-content/plugins/civicrm/civicrm/CRM/Core/Invoke.php(36): CRM_Core_Invoke::_invoke((Array:3))
#28 .../wp-content/plugins/civicrm/civicrm.php(1172): CRM_Core_Invoke::invoke((Array:3))
#29 .../wp-content/plugins/civicrm/includes/civicrm.basepage.php(354): CiviCRM_For_WordPress->invoke()
#30 .../wp-includes/class-wp-hook.php(292): CiviCRM_For_WordPress_Basepage->basepage_handler(Object(WP))
#31 .../wp-includes/class-wp-hook.php(316): WP_Hook->apply_filters(NULL, (Array:1))
#32 .../wp-includes/plugin.php(551): WP_Hook->do_action((Array:1))
#33 .../wp-includes/class-wp.php(763): do_action_ref_array("wp", (Array:1))
#34 .../wp-includes/functions.php(1291): WP->main("")
#35 .../wp-blog-header.php(16): wp()
#36 .../index.php(17): require(".../wp-blog-header.php")
#37 {main}