Cannot install package luci-app-diskman - incompatible with the architectures configured

[erdoukki]

root@nsa310s's password: 

BusyBox v1.33.0 () built-in shell (ash)

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 OpenWrt 21.02.0-rc1, r16046-59980f7aaf
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root@NSA310S:~# opkg install luci-app-diskman_v0.2.11_all.ipk 
Unknown package 'luci-app-diskman'.
Collected errors:
 * pkg_hash_fetch_best_installation_candidate: Packages for luci-app-diskman found, but incompatible with the architectures configured
 * opkg_install_cmd: Cannot install package luci-app-diskman.
root@NSA310S:~# 

[zhangguanzhang]

same issue