Error in JHipster primeng generator! v9.1.0

[lulukamagaiver]

jhipster --version
INFO! Using JHipster version installed globally
6.8.0

---

/ \   _ __   __ _ _   _| | __ _ _ __     / ___| |   |_ _|

/ △ \ | '_ \ / | | | | |/ _ | '__| | | | | | |
/ ___ | | | | (| | || | | (| | | | || | | |
// __| ||_, |_,||_,|| _|||
|___/

Angular CLI: 11.0.5
Node: 15.0.1
OS: darwin x64

Angular: undefined
...
Ivy Workspace:

Package Version

@angular-devkit/architect 0.1100.5 (cli-only)
@angular-devkit/core 11.0.5 (cli-only)
@angular-devkit/schematics 11.0.5 (cli-only)
@schematics/angular 11.0.5 (cli-only)
@schematics/update 0.1100.5 (cli-only)

ERROR:
██████╗ ██████╗ ██╗ ███╗ ███╗ ███████╗ ███╗ ██╗ ██████╗
██╔══██╗ ██╔══██╗ ██║ ████╗ ████║ ██╔════╝ ████╗ ██║ ██╔════╝
██████╔╝ ██████╔╝ ██║ ██╔████╔██║ █████╗ ██╔██╗ ██║ ██║ ███╗
██╔═══╝ ██╔══██╗ ██║ ██║╚██╔╝██║ ██╔══╝ ██║╚██╗██║ ██║ ██║
██║ ██║ ██║ ██║ ██║ ╚═╝ ██║ ███████╗ ██║ ╚████║ ╚██████╔╝
╚═╝ ╚═╝ ╚═╝ ╚═╝ ╚═╝ ╚═╝ ╚══════╝ ╚═╝ ╚═══╝ ╚═════╝

Welcome to the JHipster primeng generator! v9.1.0

Error jhipster-primeng

ERROR! This module works only for Angular5...
Can anyone help?