Fatal error: Uncaught Exception: DateTime::__construct(): Failed to parse time string

Overview of the issue

The following PHP error appears when you try to update a translation or add a new translation job to the basket by going to WPML → Translation Management:

Fatal error: Uncaught Exception: DateTime::__construct(): Failed to parse time string in …/wp-content/plugins/sitepress-multilingual-cms/classes/jobs/class-wpml-tm-jobs-repository.php on line 155

Workaround

Please be sure of having a full backup of your website before proceeding.

1. Open the wp-content/plugins/sitepress-multilingual-cms/classes/jobs/query/StringQuery.php file.
2. Look for line 49.
3. Replace:

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   public function get_data_query( WPML_TM_Jobs_Search_Params $params ) {     $columns = array(         'string_translations.id as id',         '"' . WPML_TM_Job_Entity::STRING_TYPE . '" as type',         'string_status.rid as tp_id',         'batches.id as local_batch_id',         'batches.tp_id as tp_batch_id',         $this->batch_name_column,         'string_translations.status as status',         'strings.id as original_element_id',         'strings.language as source_language',         'string_translations.language as target_language',         'string_translations.translation_service as translation_service',         'string_status.timestamp as sent_date',         'NULL as deadline_date',         'NULL as completed_date',         'strings.value as title',         'source_languages.english_name as source_language_name',         'target_languages.english_name as target_language_name',         'string_translations.translator_id as translator_id',         'NULL as translate_job_id',         'core_status.tp_revision AS revision',         'core_status.ts_status AS ts_status',         'NULL AS needs_update',         'NULL AS editor',         'string_translations.status = ' . ICL_TM_COMPLETE . '  AS has_completed_translation',         'NULL AS editor_job_id',         '0 AS automatic',         'NULL AS review_status',         'NULL AS trid',         'NULL AS element_type',         'NULL AS job_title',     );       return $this->build_query( $params, $columns ); }

   With:

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   public function get_data_query( WPML_TM_Jobs_Search_Params $params ) {     $columns = array(         'string_translations.id as id',         '"' . WPML_TM_Job_Entity::STRING_TYPE . '" as type',         'string_status.rid as tp_id',         'batches.id as local_batch_id',         'batches.tp_id as tp_batch_id',         $this->batch_name_column,         'string_translations.status as status',         'strings.id as original_element_id',         'strings.language as source_language',         'string_translations.language as target_language',         'NULL AS trid',         'NULL AS element_type',         'string_translations.translation_service as translation_service',         'string_status.timestamp as sent_date',         'NULL as deadline_date',         'NULL as completed_date',         'strings.value as title',         'source_languages.english_name as source_language_name',         'target_languages.english_name as target_language_name',         'string_translations.translator_id as translator_id',         'NULL as translate_job_id',         'core_status.tp_revision AS revision',         'core_status.ts_status AS ts_status',         'NULL AS needs_update',         'NULL AS editor',         'string_translations.status = ' . ICL_TM_COMPLETE . '  AS has_completed_translation',         'NULL AS editor_job_id',         '0 AS automatic',         'NULL AS job_title',         'NULL AS review_status',         'NULL AS element_id',     );       return $this->build_query( $params, $columns ); }