PL/SQL : Parse error when there is the character "string" in a comment line

[TCHO-BREIZH]

E.g. :

CREATE OR REPLACE VIEW v_tab_1 AS
SELECT * FROM TAB_1
/
-- config pour l'appli
CREATE OR REPLACE VIEW v_tab_2 AS
SELECT * FROM TAB_2
/

[kaby76]

Please edit your above comment to use Fenced Code Blocks around your code so we can see and copy the example using a simple click instead of select, then copy.