How do I contact IKEA Turkey in writing (without phone calls)?

Method 1

1.1. In English

ikea.com.tr/en/customer-relations/contact-us?&id=from-store

1.2. In Turkish

ikea.com.tr/musteri-hizmetleri/bize-ulasin/sss/2?&id=from-store

Method 2

e-alisverisdestek@ikea.com.tr

How did I fix the «Illegal character was detected in the comment field, please check the entered text» / «Yorum alanında izin verilmeyen karakter tespit edildi, lütfen girilen metni kontrol ediniz» error of the IKEA Turkey website's contact form?