No sorry not working for me neither.
Reach out to Mageplaza
user@cli:/var/www/magento# composer require mageplaza/magento-2-urdu-language-pack:dev-master
./composer.json has been updated
Loading composer repositories with package information
Updating dependencies (including require-dev)
Package operations: 2 installs, 0 updates, 0 removals
- Installing mageplaza/module-core (1.4.4): Cloning 8d50d27c1b from cache
- Installing mageplaza/magento-2-urdu-language-pack (dev-master 8498cd3): Cloning 8498cd3d94 from cache
Package phpunit/phpunit-mock-objects is abandoned, you should avoid using it. No replacement was suggested.
Writing lock file
Generating autoload files
user@cli:/var/www/magento#
And then
user@cli:/var/www/magento# php bin/magento info:language:list
+--------------------------------+------------+
| Language | Code |
+--------------------------------+------------+
| Afrikaans (South Africa) | af_ZA |
| Albanian (Albania) | sq_AL |
| Arabic (Algeria) | ar_DZ |
| Arabic (Egypt) | ar_EG |
| Arabic (Kuwait) | ar_KW |
| Arabic (Morocco) | ar_MA |
| Arabic (Saudi Arabia) | ar_SA |
| Azerbaijani (Azerbaijan) | az_Latn_AZ |
| Basque (Spain) | eu_ES |
| Belarusian (Belarus) | be_BY |
| Bengali (Bangladesh) | bn_BD |
| Bosnian (Bosnia & Herzegovina) | bs_Latn_BA |
| Bulgarian (Bulgaria) | bg_BG |
| Catalan (Spain) | ca_ES |
| Chinese (China) | zh_Hans_CN |
| Chinese (Hong Kong SAR China) | zh_Hant_HK |
| Chinese (Taiwan) | zh_Hant_TW |
| Croatian (Croatia) | hr_HR |
| Czech (Czech Republic) | cs_CZ |
| Danish (Denmark) | da_DK |
| Dutch (Belgium) | nl_BE |
| Dutch (Netherlands) | nl_NL |
| English (Australia) | en_AU |
| English (Canada) | en_CA |
| English (Ireland) | en_IE |
| English (New Zealand) | en_NZ |
| English (United Kingdom) | en_GB |
| English (United States) | en_US |
| Estonian (Estonia) | et_EE |
| Filipino (Philippines) | fil_PH |
| Finnish (Finland) | fi_FI |
| French (Belgium) | fr_BE |
| French (Canada) | fr_CA |
| French (France) | fr_FR |
| French (Luxembourg) | fr_LU |
| French (Switzerland) | fr_CH |
| Galician (Spain) | gl_ES |
| Georgian (Georgia) | ka_GE |
| German (Austria) | de_AT |
| German (Germany) | de_DE |
| German (Luxembourg) | de_LU |
| German (Switzerland) | de_CH |
| Greek (Greece) | el_GR |
| Gujarati (India) | gu_IN |
| Hebrew (Israel) | he_IL |
| Hindi (India) | hi_IN |
| Hungarian (Hungary) | hu_HU |
| Icelandic (Iceland) | is_IS |
| Indonesian (Indonesia) | id_ID |
| Italian (Italy) | it_IT |
| Italian (Switzerland) | it_CH |
| Japanese (Japan) | ja_JP |
| Khmer (Cambodia) | km_KH |
| Korean (South Korea) | ko_KR |
| Lao (Laos) | lo_LA |
| Latvian (Latvia) | lv_LV |
| Lithuanian (Lithuania) | lt_LT |
| Macedonian (Macedonia) | mk_MK |
| Malay (Malaysia) | ms_MY |
| Norwegian Bokmål (Norway) | nb_NO |
| Norwegian Nynorsk (Norway) | nn_NO |
| Persian (Iran) | fa_IR |
| Polish (Poland) | pl_PL |
| Portuguese (Brazil) | pt_BR |
| Portuguese (Portugal) | pt_PT |
| Romanian (Romania) | ro_RO |
| Russian (Russia) | ru_RU |
| Serbian (Serbia) | sr_Cyrl_RS |
| Slovak (Slovakia) | sk_SK |
| Slovenian (Slovenia) | sl_SI |
| Spanish (Argentina) | es_AR |
| Spanish (Bolivia) | es_BO |
| Spanish (Chile) | es_CL |
| Spanish (Colombia) | es_CO |
| Spanish (Costa Rica) | es_CR |
| Spanish (Mexico) | es_MX |
| Spanish (Panama) | es_PA |
| Spanish (Peru) | es_PE |
| Spanish (Spain) | es_ES |
| Spanish (Venezuela) | es_VE |
| Swahili (Kenya) | sw_KE |
| Swedish (Finland) | sv_FI |
| Swedish (Sweden) | sv_SE |
| Thai (Thailand) | th_TH |
| Turkish (Turkey) | tr_TR |
| Ukrainian (Ukraine) | uk_UA |
| Vietnamese (Vietnam) | vi_VN |
| Welsh (United Kingdom) | cy_GB |
+--------------------------------+------------+
Did setup:upgrade
and seeing Mageplaza_Core
php bin/magento info:language:list
?