Passbolt Could not verify server key

Could not verify server key.

cli-error log:

    2020-01-21 13:58:59 Warning: Warning (512): SplFileInfo::openFile(/var/www/passbolt/tmp/cache/persistent/myapp_cake_core_translations_cake_console_en__u_s): failed to open stream: Permission denied in [/var/www/passbolt/vendor/cakephp/cakephp/src/Cache/Engine/FileEngine.php, line 405]


2020-01-21 13:58:59 Warning: Warning (512): SplFileInfo::openFile(/var/www/passbolt/tmp/cache/persistent/myapp_cake_core_translations_cake_console_en__u_s): failed to open stream: Permission denied in [/var/www/passbolt/vendor/cakephp/cakephp/src/Cache/Engine/FileEngine.php, line 405]

error log:

2020-01-21 14:27:36 Error: [Cake\Core\Exception\Exception] Could not use the key to sign and encrypt.encrypt-sign failed (/var/www/passbolt/src/Utility/OpenPGP/Backends/Gnupg.php:508)
Request URL: /auth/login.json?api-version=v1


2020-01-21 14:27:43 Error: [Cake\Http\Exception\BadRequestException] The authentication token is not valid or expired. (/var/www/passbolt/src/Controller/Setup/SetupStartController.php:105)
Request URL: /setup/install/dce9e846-edfc-44b5-b864-b3e21932897c/314b636e-8134-4169-8253-8546c8019221


2020-01-21 14:32:58 Error: [Cake\Http\Exception\ForbiddenException] You need to login to access this location. (/var/www/passbolt/src/Auth/GpgAuthenticate.php:85)
Request URL: /auth/is-authenticated.json


2020-01-21 14:33:06 Error: [Cake\Core\Exception\Exception] Could not use the key to sign and encrypt.encrypt-sign failed (/var/www/passbolt/src/Utility/OpenPGP/Backends/Gnupg.php:508)
Request URL: /auth/login.json?api-version=v1


2020-01-21 15:22:11 Error: [Cake\Http\Exception\ForbiddenException] You need to login to access this location. (/var/www/passbolt/src/Auth/GpgAuthenticate.php:85)
Request URL: /auth/is-authenticated.json


2020-01-21 15:22:20 Error: [Cake\Core\Exception\Exception] Could not use the key to sign and encrypt.encrypt-sign failed (/var/www/passbolt/src/Utility/OpenPGP/Backends/Gnupg.php:508)
Request URL: /auth/login.json?api-version=v1


2020-01-22 07:05:24 Error: [Cake\Http\Exception\ForbiddenException] You need to login to access this location. (/var/www/passbolt/src/Auth/GpgAuthenticate.php:85)
Request URL: /auth/is-authenticated.json


2020-01-22 07:06:24 Error: [Cake\Http\Exception\ForbiddenException] You need to login to access this location. (/var/www/passbolt/src/Auth/GpgAuthenticate.php:85)
Request URL: /auth/is-authenticated.json


2020-01-22 12:44:56 Error: [Cake\Http\Exception\BadRequestException] The authentication token is not valid or expired. (/var/www/passbolt/src/Controller/Setup/SetupStartController.php:105)
Request URL: /setup/install/df0f2a58-38c1-4055-a000-05bb1cac0ba3/d1ed5ee9-2364-4451-a591-c43c8cd8c45d


2020-01-23 07:00:51 Error: [Cake\Http\Exception\ForbiddenException] You need to login to access this location. (/var/www/passbolt/src/Auth/GpgAuthenticate.php:85)
Request URL: /auth/is-authenticated.json


2020-01-23 07:01:51 Error: [Cake\Http\Exception\ForbiddenException] You need to login to access this location. (/var/www/passbolt/src/Auth/GpgAuthenticate.php:85)
Request URL: /auth/is-authenticated.json

1. I was gives there all permissions for all files what in the error log indicated.
2. I don't understeand what problems are in file with code "(string)$key": /var/www/passbolt/vendor/cakephp/cakephp/src/Cache/Engine/FileEngine.php, line 405