Ran out of altars for temple!

I saw that message and looked it up, and from what I could gather I understand that it indicates a bug, so I’m reporting here. This log is from the Android version (version code 30) from F-Droid.

Dungeon Crawl Stone Soup version 0.31.0-12-g77e489cdc1 (tiles) character file.

Game seed: 2035411246928259904

Name the Vexing (Deep Elf Hexslinger)                   Turns: 0, Time: 00:00:39

Health: 11/11      AC:  2    Str:  5    XL:     1   Next: 0%
Magic:  5/5        EV: 13    Int: 17    God:    
Gold:   0          SH:  0    Dex: 17    Spells: 3/3 levels left

rFire   . . .        a - +1 sling
rCold   . . .        (no shield)
rNeg    . . .        c - +0 robe
rPois   .            (no helmet)
rElec   .            (no cloak)
rCorr   .            (no gloves)
SInv    .            (no boots)
Will    .....        (no amulet)
Stlth   ++           (no ring)
HPRegen 0.21/turn    (no ring)
MPRegen 0.09/turn

%: no passive effects
@: no status effects
A: no striking features
a: no special abilities


You are on level 1 of the Dungeon.
You have visited 1 branch of the dungeon, and seen 1 of its levels.

Inventory:

Hand Weapons
 a - a +1 sling (weapon)
Armour
 c - a +0 robe (worn)
Scrolls
 b - a scroll of poison


   Skills:
 + Level 0.7 Fighting
 + Level 2.6 Ranged Weapons
 + Level 2.4 Dodging
 + Level 1.5 Spellcasting
 + Level 4.0 Hexes
 + Level 1.1 Fire Magic


You have 3 spell levels left.
You don't know any spells.
Your spell library contains the following spells:

 Spells                   Type           Power      Damage    Failure   Level
 Jinxbite                 Hex            28%        N/A       6%          2
 Sigil of Binding         Hex            14%        N/A       12%         3
 Inner Flame              Hex/Fire       9%         N/A       22%         3
 Cause Fear               Hex            7%         N/A       36%         4
 Dimensional Bullseye     Hex/Tloc       4%         N/A       65%         4


Dungeon Overview and Level Annotations

Branches:
Dungeon (1/15)            

Altars:

Message History

Ran out of altars for temple!
Welcome, Name the Deep Elf Hexslinger.
They say the Orb of Zot lies within this dungeon, but they say a lot of things.
Press ? for a list of commands and other information.
Found an escape hatch in the floor.
Found a staircase leading out of the dungeon.
Saving game... please wait.

     ###
    ...#
####.>.###
#.........
#.@.......
#.........
########..


There are no monsters in sight!


Notes
Turn   | Place    | Note
-------+----------+-------------------------------------------
     0 | D:1      | Name the Deep Elf Hexslinger began the quest for the Orb.
     0 | D:1      | Reached XP level 1. HP: 11/11 MP: 5/5

Illustrated notes

@PleasingFungus Have you seen this? (By the way, I also sent you a direct message some while ago (unrelated).) Thank you

Hello, this happened to me again a few minutes ago. This is still the same version (Android, version code 30 from F-Droid).

Dungeon Crawl Stone Soup version 0.31.0-12-g77e489cdc1 (tiles) character file.

Game seed: 5082567946793865538

0 Name the Sneak (level 1, 12/12 HPs) *EXPLORE*
             Began as a Kobold Brigand on June 30, 2024.
             Quit the game on level 1 of the Dungeon.
             The game lasted 00:01:14 (0 turns).

Name the Sneak (Kobold Brigand)                         Turns: 0, Time: 00:01:15

Health: 12/12      AC:  3    Str:  8    XL:     1   Next: 0%
Magic:  1/1        EV: 14    Int: 12    God:    
Gold:   0          SH:  0    Dex: 16    Spells: 0/0 levels left

rFire   . . .        a - +2 dagger
rCold   . . .        (no shield)
rNeg    . . .        b - +0 robe
rPois   .            (no helmet)
rElec   .            c - +0 cloak
rCorr   .            (no gloves)
SInv    .            (no boots)
Will    .....        (no amulet)
Stlth   ++++         (no ring)
HPRegen 0.22/turn    (no ring)
MPRegen 0.07/turn

%: no passive effects
@: no status effects
A: small, no large weapons, nightstalker 3
a: no special abilities


You were on level 1 of the Dungeon.
You visited 1 branch of the dungeon, and saw 1 of its levels.

Inventory:

Hand Weapons
 a - a +2 dagger (weapon)
Missiles
 d - 9 poisoned darts (quivered)
 e - 3 curare-tipped darts
Armour
 b - a +0 robe (worn)
 c - a +0 cloak (worn)


   Skills:
 + Level 2.1 Fighting
 + Level 2.6 Short Blades
 + Level 2.1 Throwing
 + Level 1.2 Dodging
 + Level 5.3 Stealth


You couldn't memorise any spells.
You didn't know any spells.
Your spell library was empty.

Dungeon Overview and Level Annotations

Branches:
Dungeon (1/15)            

Altars:


Innate Abilities, Weirdness & Mutations

You are small and have problems with some larger weapons.
You are completely attuned to the shadows.

Message History

Ran out of altars for temple! x2
Welcome, Name the Kobold Brigand.
It's a long way down to the Orb of Zot, but that shouldn't be any trouble.
Press ? for a list of commands and other information.
Found 13 gold pieces and a sling.
Found a staircase leading out of the dungeon.
WARNING: ABOUT TO ENTER EXPLORE MODE!
In explore mode, death is optional.
Once you set a character to explore mode, you can't switch back.
If you continue, your game will not be scored!
Do you really want to enter explore mode? (Confirm with "yes".) 
Are you sure you want to abandon this character and return to the main menu?
(Confirm with "yes".) 

..   ...
...  ..
 ).##.###
  #.....#
  #.@....
  #.....#
 ..##$###
...  ..
..   ...


There were no monsters in sight!


Notes
Turn   | Place    | Note
-------+----------+-------------------------------------------
     0 | D:1      | Name the Kobold Brigand began the quest for the Orb.
     0 | D:1      | Reached XP level 1. HP: 12/12 MP: 1/1
     0 | D:1      | Entered explore mode.
     0 | D:1      | Quit the game

Illustrated notes

Levels and vault maps discovered:
D:1:      erik_arrival_blinker_ship, layout_loops_cross, serial_shops, shop,
          nicolae_lakefront_shop, nicolae_shop_drivethru,
          nicolae_shop_just_a_little_nook

1 Thank