In this study, the data that will be used as research objects are Regular Indonesian Language Education Students E 2020. This study aims to find out Indonesian language errors in WhatsApp group conversations for regular students E 2020. The method used in this research is a qualitative descriptive method. The data collection technique comes from screenshots of text from the WhatsApp group application for Indonesian Language and Literature Education Regular E 2020. The research method contains an explanation of the methods used by researchers in conducting research. In this section the researcher explains the scientific procedures carried out by the researcher to produce a conclusion. The method contains research approaches and methods, data sources/populations and samples, methods for selecting samples/determining data sources, instruments, data collection methods, and data analysis techniques. This section contains a description of the procedure and research steps according to the topic being studied. The results of this study are that there are many mistakes made by students in communicating in groups such as using incorrect spelling, using non-standard words and using forgotten punctuation marks.

The Mangongkal Holi tradition which is carried out at each event makes the writer interested in researching it because in its implementation there are symbols and behaviors/activities that are interconnected and have their own meaning. What is the importance of the Mangongkal Holi tradition for the Toba Batak people so that this tradition must be carried out. This study uses descriptive analysis with qualitative research, which emphasizes the perspectives, ways of life, tastes or expressions of emotions and beliefs from the people studied regarding the problems studied which are also data. In this study the authors used a descriptive research method with a qualitative method. Therefore, the research subjects were traditional leaders, families who carry out the Mangongkal Holi ceremony, and local residents in North Sumatra. And the object of this research is the symbolic meaning of the Mangongkal Holi ceremony for the Toba Batak people in North Sumatra. Purposive sampling technique used to take informants.