Good morning,
i can't see the project i create ... no visibility!

From the log :

2018-03-01 17:43:50.772 ** ERROR ** [V6.5.4] ERROR **
2018-03-01 17:43:50.772 ** ERROR ** [V6.5.4] on file '/var/www/html/projeqtor/model/persistence/SqlElement.php' at line (2752)
2018-03-01 17:43:50.772 ** ERROR ** [V6.5.4] cause = array_key_exists() expects parameter 2 to be array, boolean given
2018-03-01 17:43:50.772 ** ERROR ** [V6.5.4] Error on SqlElement to get 'fixPlanning' for Class 'Project' : field 'fixPlanning' not found in Database.
2018-03-01 17:43:50.772 ** ERROR ** [V6.5.4] ERROR **
2018-03-01 17:43:50.772 ** ERROR ** [V6.5.4] on file '/var/www/html/projeqtor/model/persistence/SqlElement.php' at line (2750)
2018-03-01 17:43:50.772 ** ERROR ** [V6.5.4] cause = array_key_exists() expects parameter 2 to be array, boolean given
2018-03-01 17:43:50.772 ** ERROR ** [V6.5.4] ERROR **
2018-03-01 17:43:50.772 ** ERROR ** [V6.5.4] on file '/var/www/html/projeqtor/model/persistence/SqlElement.php' at line (2752)
2018-03-01 17:43:50.772 ** ERROR ** [V6.5.4] cause = array_key_exists() expects parameter 2 to be array, boolean given
2018-03-01 17:43:50.772 ** ERROR ** [V6.5.4] Error on SqlElement to get 'isUnderConstruction' for Class 'Project' : field 'isUnderConstruction' not found in Database.
2018-03-01 17:43:50.773 ** ERROR ** [V6.5.4] ERROR **
2018-03-01 17:43:50.773 ** ERROR ** [V6.5.4] on file '/var/www/html/projeqtor/model/persistence/SqlElement.php' at line (2750)
2018-03-01 17:43:50.773 ** ERROR ** [V6.5.4] cause = array_key_exists() expects parameter 2 to be array, boolean given
2018-03-01 17:43:50.773 ** ERROR ** [V6.5.4] ERROR **
2018-03-01 17:43:50.773 ** ERROR ** [V6.5.4] on file '/var/www/html/projeqtor/model/persistence/SqlElement.php' at line (2752)
2018-03-01 17:43:50.773 ** ERROR ** [V6.5.4] cause = array_key_exists() expects parameter 2 to be array, boolean given
2018-03-01 17:43:50.773 ** ERROR ** [V6.5.4] Error on SqlElement to get 'handled' for Class 'Project' : field 'handled' not found in Database.
2018-03-01 17:43:50.773 ** ERROR ** [V6.5.4] ERROR **
2018-03-01 17:43:50.773 ** ERROR ** [V6.5.4] on file '/var/www/html/projeqtor/model/persistence/SqlElement.php' at line (2750)
2018-03-01 17:43:50.773 ** ERROR ** [V6.5.4] cause = array_key_exists() expects parameter 2 to be array, boolean given
2018-03-01 17:43:50.773 ** ERROR ** [V6.5.4] ERROR **
2018-03-01 17:43:50.773 ** ERROR ** [V6.5.4] on file '/var/www/html/projeqtor/model/persistence/SqlElement.php' at line (2752)
2018-03-01 17:43:50.773 ** ERROR ** [V6.5.4] cause = array_key_exists() expects parameter 2 to be array, boolean given
2018-03-01 17:43:50.773 ** ERROR ** [V6.5.4] Error on SqlElement to get 'handledDate' for Class 'Project' : field 'handledDate' not found in Database.
2018-03-01 17:43:50.773 ** ERROR ** [V6.5.4] ERROR **
2018-03-01 17:43:50.773 ** ERROR ** [V6.5.4] on file '/var/www/html/projeqtor/model/persistence/SqlElement.php' at line (2750)
2018-03-01 17:43:50.773 ** ERROR ** [V6.5.4] cause = array_key_exists() expects parameter 2 to be array, boolean given
2018-03-01 17:43:50.773 ** ERROR ** [V6.5.4] ERROR **
2018-03-01 17:43:50.773 ** ERROR ** [V6.5.4] on file '/var/www/html/projeqtor/model/persistence/SqlElement.php' at line (2752)
2018-03-01 17:43:50.774 ** ERROR ** [V6.5.4] cause = array_key_exists() expects parameter 2 to be array, boolean given
2018-03-01 17:43:50.774 ** ERROR ** [V6.5.4] Error on SqlElement to get 'done' for Class 'Project' : field 'done' not found in Database.
2018-03-01 17:43:50.774 ** ERROR ** [V6.5.4] ERROR **
2018-03-01 17:43:50.774 ** ERROR ** [V6.5.4] on file '/var/www/html/projeqtor/model/persistence/SqlElement.php' at line (2750)
2018-03-01 17:43:50.774 ** ERROR ** [V6.5.4] cause = array_key_exists() expects parameter 2 to be array, boolean given
2018-03-01 17:43:50.774 ** ERROR ** [V6.5.4] ERROR **
2018-03-01 17:43:50.774 ** ERROR ** [V6.5.4] on file '/var/www/html/projeqtor/model/persistence/SqlElement.php' at line (2752)
2018-03-01 17:43:50.774 ** ERROR ** [V6.5.4] cause = array_key_exists() expects parameter 2 to be array, boolean given
2018-03-01 17:43:50.774 ** ERROR ** [V6.5.4] Error on SqlElement to get 'doneDate' for Class 'Project' : field 'doneDate' not found in Database.
2018-03-01 17:43:50.774 ** ERROR ** [V6.5.4] ERROR **
2018-03-01 17:43:50.774 ** ERROR ** [V6.5.4] on file '/var/www/html/projeqtor/model/persistence/SqlElement.php' at line (2750)
2018-03-01 17:43:50.774 ** ERROR ** [V6.5.4] cause = array_key_exists() expects parameter 2 to be array, boolean given
2018-03-01 17:43:50.774 ** ERROR ** [V6.5.4] ERROR **
2018-03-01 17:43:50.774 ** ERROR ** [V6.5.4] on file '/var/www/html/projeqtor/model/persistence/SqlElement.php' at line (2752)
2018-03-01 17:43:50.774 ** ERROR ** [V6.5.4] cause = array_key_exists() expects parameter 2 to be array, boolean given
2018-03-01 17:43:50.774 ** ERROR ** [V6.5.4] Error on SqlElement to get 'idle' for Class 'Project' : field 'idle' not found in Database.
2018-03-01 17:43:50.774 ** ERROR ** [V6.5.4] ERROR **
2018-03-01 17:43:50.774 ** ERROR ** [V6.5.4] on file '/var/www/html/projeqtor/model/persistence/SqlElement.php' at line (2750)
2018-03-01 17:43:50.774 ** ERROR ** [V6.5.4] cause = array_key_exists() expects parameter 2 to be array, boolean given
2018-03-01 17:43:50.775 ** ERROR ** [V6.5.4] ERROR **
2018-03-01 17:43:50.775 ** ERROR ** [V6.5.4] on file '/var/www/html/projeqtor/model/persistence/SqlElement.php' at line (2752)
2018-03-01 17:43:50.775 ** ERROR ** [V6.5.4] cause = array_key_exists() expects parameter 2 to be array, boolean given
2018-03-01 17:43:50.775 ** ERROR ** [V6.5.4] Error on SqlElement to get 'idleDate' for Class 'Project' : field 'idleDate' not found in Database.
2018-03-01 17:43:50.775 ** ERROR ** [V6.5.4] ERROR **
2018-03-01 17:43:50.775 ** ERROR ** [V6.5.4] on file '/var/www/html/projeqtor/model/persistence/SqlElement.php' at line (2750)
2018-03-01 17:43:50.775 ** ERROR ** [V6.5.4] cause = array_key_exists() expects parameter 2 to be array, boolean given
2018-03-01 17:43:50.775 ** ERROR ** [V6.5.4] ERROR **
2018-03-01 17:43:50.775 ** ERROR ** [V6.5.4] on file '/var/www/html/projeqtor/model/persistence/SqlElement.php' at line (2752)
2018-03-01 17:43:50.775 ** ERROR ** [V6.5.4] cause = array_key_exists() expects parameter 2 to be array, boolean given
2018-03-01 17:43:50.775 ** ERROR ** [V6.5.4] Error on SqlElement to get 'cancelled' for Class 'Project' : field 'cancelled' not found in Database.
2018-03-01 17:43:50.775 ** ERROR ** [V6.5.4] Exception-[25P02] SQLSTATE[25P02]: In failed sql transaction: 7 ERROR: current transaction is aborted, commands ignored until end of transaction block
2018-03-01 17:43:50.775 ** ERROR ** [V6.5.4] For query : select id from productproject where idProject= '15' order by id desc
2018-03-01 17:43:50.775 ** ERROR ** [V6.5.4] Strack trace :
2018-03-01 17:43:50.775 ** ERROR ** [V6.5.4] #0 Sql->query called at [/var/www/html/projeqtor/model/persistence/SqlElement.php:2861]
2018-03-01 17:43:50.776 ** ERROR ** [V6.5.4] #1 SqlElement->getDependantSqlElements called at [/var/www/html/projeqtor/model/persistence/SqlElement.php:2738]
2018-03-01 17:43:50.776 ** ERROR ** [V6.5.4] #2 SqlElement->getSqlElement called at [/var/www/html/projeqtor/model/persistence/SqlElement.php:573]
2018-03-01 17:43:50.776 ** ERROR ** [V6.5.4] #3 SqlElement->__construct called at [/var/www/html/projeqtor/model/ProjectMain.php:168]
2018-03-01 17:43:50.776 ** ERROR ** [V6.5.4] #4 ProjectMain->__construct called at [/var/www/html/projeqtor/model/Project.php:39]
2018-03-01 17:43:50.776 ** ERROR ** [V6.5.4] #5 Project->__construct called at [/var/www/html/projeqtor/model/KpiValue.php:95]
2018-03-01 17:43:50.776 ** ERROR ** [V6.5.4] #6 KpiValue->calculateKpi called at [/var/www/html/projeqtor/model/ProjectPlanningElementMain.php:204]
2018-03-01 17:43:50.776 ** ERROR ** [V6.5.4] #7 ProjectPlanningElementMain->save called at [/var/www/html/projeqtor/model/persistence/SqlElement.php:1559]
2018-03-01 17:43:50.776 ** ERROR ** [V6.5.4] #8 SqlElement->saveDependantObjects called at [/var/www/html/projeqtor/model/persistence/SqlElement.php:1165]
2018-03-01 17:43:50.776 ** ERROR ** [V6.5.4] #9 SqlElement->insertSqlElement called at [/var/www/html/projeqtor/model/persistence/SqlElement.php:954]
2018-03-01 17:43:50.776 ** ERROR ** [V6.5.4] #10 SqlElement->saveSqlElement called at [/var/www/html/projeqtor/model/persistence/SqlElement.php:622]
2018-03-01 17:43:50.776 ** ERROR ** [V6.5.4] #11 SqlElement->save called at [/var/www/html/projeqtor/model/ProjectMain.php:665]
2018-03-01 17:43:50.776 ** ERROR ***** [V6.5.4] #12 ProjectMain->save called at [/var/www/html/projeqtor/tool/saveObject.php:78]

Should i make a new install using mysql? or may have just to change some setting to continue to use Postgre?
Thanks for you help