Blocks ::: block_mrbs
Maintained by DavoDavo Smith
Based on the stand-alone MRBS project ( ), this allows users to book rooms and other resources from within Moodle.
Latest release:
681 sites
27 fans
Moodle 2.0, 2.1, 2.2, 2.3, 2.4

For a full description of this block, please see here

A Moodle 1.9 version of this plugin can be downloaded directly here: - this is not available on as there would be a lot of work involved in rewriting it to pass the automated database naming checks.


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Davo Smith (Lead maintainer)
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  • Thu, Jan 18, 2018, 2:24 PM
    Sorry mate...
    Upgraded to Moodle 3.4.
    During database upgrade and afterwards it comes up with this error a lot of times..

    Invalid admin setting (auth_ldap/mrbs-admincontext)

    Sadly .. it also seems to break moodle in a lot, especially in other site administration tasks too.

    It seemed to work fine in 3.3 ... so it appears that something about 3.4 is not handling errors very well either...

    I am going to have to go back to 3.3.. Have tried the upgrade twice with the same problem..

    Pity .. as 3.4 has a new module to convert to https...
  • Davo
    Fri, Jan 19, 2018, 5:12 AM
    Looks like there's a new restriction in Moodle 3.4 about characters such as '-' appearing in config settings. I'll look into it when I have a chance, but I'm not sure when that will be.
  • Davo
    Sat, Feb 24, 2018, 7:28 PM
    Hi Peter - sorry for the slow reply. The error you have reported is not really related to the MRBS plugin. It seems you have created a role called 'mrbs-admin' (shortname) and that is causing a problem with auth_ldap, which generates its config names from role shortnames (and, hence, is creating the invalid setting).

    You should be able to fix this by renaming the role to 'mrbsadmin' instead of 'mrbs-admin' (note that 'mrbsadmin' is the name used by default when installing block_mrbs).
  • Thu, May 3, 2018, 9:49 AM
    Sorry about the delay.

    Correct you are.

    Changed the role name to default and upgraded to Moodle 3.4.2+ (Build: 20180421) and have no problems.

    Many tx for the fix.
  • Sun, Aug 19, 2018, 6:36 PM
    Is there any chance this will be updated to 3.5? (I have no ftp access to my scool instance an would love to use it anyhow, so I'll love to install it via
  • Tue, Aug 28, 2018, 7:46 PM
    I have installed successfully Blocks: MRBS plugin (blocks_mrbs_moodle) in moodle 3.5.1, I am not able to find how to create a room.
  • Tue, Sep 11, 2018, 10:02 PM

    First of all congratulations for this useful moodle block.

    Until now it has been working perfectly to me but I've just installed Moodle 3.5 and I can't get booking multiple reservations (nor by date, nor by n-weekly).

    Any idea?

  • Thu, Mar 28, 2019, 4:10 PM
    Since 3.6 there seems to be an issue with multiple entries. When I try (as admin) to book a repeating entry, the system puts the beginning date to 1970. There is no way to change that :/
  • Sat, Jun 29, 2019, 1:39 AM
    Estou utilizando no 3.7. O único problema que tenho encontrado é com relação às recorrências. Elas simplesmente não funcionam. Mas para demais funções está OK.
  • Sun, Nov 3, 2019, 8:17 PM
    Hi, I tried to install the latest code of the plugin in moodle 3.7.2. During database update I receive an error, but installation finishes. A a role only mrbs viewer ist installed. Trying to manually create the roles admin and schedulers leads to the problem that block/mrbs:administermrbs and block/mrbs:editmrbs are missing.
    Has anyone succeded in installing an using this plugin with moodle 3.7 ?
  • Thu, Feb 20, 2020, 9:15 PM
    I have the same problem like Chris. The Installation of the Plugin ends with an error, that „only a coder can solve“. After the Installation the role mrbs viewer was created.
    Thanks for hints!
  • Mon, Feb 24, 2020, 9:01 PM
    Hello Admin DBG Wiehl,
    have you solved the problem with repeating entries?
  • Thu, Feb 27, 2020, 3:43 PM
    To repeat an earlier post with a fix for repeating entries...

    People struggling with "repeat" bookings returning with a booking conflict with a date of 1970 change line 326 of web/mrbs_sql.php from $entrys = ''; to $entrys = array();

    Works for me
    Has not been fixed at source yet..
  • Tue, Apr 21, 2020, 4:38 PM
    I have the same problem like Chris. Does anyone know of a solution?
  • Fri, Apr 24, 2020, 12:42 AM
    Hello Vladimir,
    you will find some hints in the Moodle Tracker forum. Dom posts a great solution and it works fine within moodle Version 3.8.
    best regars Stefan
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