Material Widget "Helfer" import does not work for "Eine Seite pro Zimmer"

[Feuer-sturm]

Describe the bug
If the material widget "Helfer" is used and the following option is selected

Then the import of the devices of the single rooms is not successfull
Log from Browser console please see below.

For example room Terrasse

Expected behavior
If the option "Eine Seite für alle Räume" is used the devices will be imported in one page
This is how it looks like with all devices on one page

Versions:

• Adapter version: vis2 2.1.4, material-widgets v0.8.2

Screenshots & Logfiles
If applicable, add screenshots and logfiles to help explain your problem.

Cannot find widget for hm-rpc.0.001658A99FD227.2.LEVEL (HmIPW-DRBL4_RA3) 554.68737bc5.chunk.js:2:348326
Cannot find widget for hm-rpc.0.00111A498EAEDB.4.LEVEL (HmIP-BROLL 00111A498EAEDB) 554.68737bc5.chunk.js:2:348326
Cannot find widget for hm-rpc.0.00201A49978146.1.LEVEL (HmIP-eTRV-B 00201A49978146 (hinten)) 554.68737bc5.chunk.js:2:348326
Cannot find widget for hm-rpc.0.00201A4997816C.1.LEVEL (HmIP-eTRV-B 00201A4997816C (vorne Treppe)) 554.68737bc5.chunk.js:2:348326
Cannot find widget for hm-rpc.0.001658A99FD264.2.LEVEL (HmIPW-DRBL4_RA2) 554.68737bc5.chunk.js:2:348326
Cannot find widget for hm-rpc.0.001658A99FD264.10.LEVEL (HmIPW-DRBL4_RA2) 554.68737bc5.chunk.js:2:348326
Cannot find widget for hm-rpc.0.001658A99FD264.14.LEVEL (HmIPW-DRBL4_RA2) 554.68737bc5.chunk.js:2:348326
Cannot find widget for hm-rpc.0.001658A99FD26E.10.LEVEL (HmIPW-DRBL4_RA1) 554.68737bc5.chunk.js:2:348326
Cannot find widget for hm-rpc.0.001658A99FD26E.14.LEVEL (HmIPW-DRBL4_RA1) 554.68737bc5.chunk.js:2:348326
Cannot find widget for hm-rpc.0.001658A99FD227.6.LEVEL (HmIPW-DRBL4_RA3) 554.68737bc5.chunk.js:2:348326
Cannot find widget for hm-rpc.0.00085BE9A00AFE.4.STATE (HmIP-BSM 00085BE9A00AFE) 554.68737bc5.chunk.js:2:348326
Cannot find widget for hm-rpc.0.001658A99FD26E.2.LEVEL (HmIPW-DRBL4_RA1) 554.68737bc5.chunk.js:2:348326
Cannot find widget for hm-rpc.0.001658A99FD26E.6.LEVEL (HmIPW-DRBL4_RA1) 554.68737bc5.chunk.js:2:348326
Cannot find widget for hm-rpc.0.001658A99FD264.6.LEVEL (HmIPW-DRBL4_RA2) 554.68737bc5.chunk.js:2:348326