 However , in Berlin Meyerbeer faced many problems , including the enmity of the jealous <unk> <unk> , who since 1820 had been Court Kapellmeister and director of the Berlin <unk> . <unk> were made in the Berlin press about the delay of the Berlin premiere of Robert le diable ( which finally took place in June 1832 ) , and Meyerbeer 's music was decried by the critic and poet Ludwig Rellstab . There was no sign of the German opera expected from Meyerbeer . Moreover , reactionary censorship laws prevented production of Les Huguenots in Berlin , ( and indeed in many other cities of Germany ) . Nevertheless , Meyerbeer , who ( as he wrote to a friend ) ' years ago ... <unk> to myself never to respond personally to attacks on my work , and never under any circumstances to cause or respond to personal <unk> ' , refused to be drawn on any of these matters . 
