Runtime Error when i use Grid and Virtual module at same time

[Nicolas-Her]

Check that this is really a bug

• I confirm

Reproduction link

https://codesandbox.io/s/swiper-react-virtual-slides-forked-8hjch5?file=/src/App.jsx

Bug description

Hi,
when i try to have Virtual and Grid module it raise an error below the trace :

Unhandled Runtime Error
TypeError: Cannot set properties of undefined (setting 'row')

Source
Object.updateSlide
node_modules/swiper/modules/grid.mjs (80:0)
Swiper.updateSlides
node_modules/swiper/shared/swiper-core.mjs (469:0)
Swiper.init
node_modules/swiper/shared/swiper-core.mjs (3510:0)
new Swiper
node_modules/swiper/shared/swiper-core.mjs (3211:0)

Expected Behavior

i can have Grid module with virtual slides

Actual Behavior

App crash with blank screen

Swiper version

10.3.1

Platform/Target and Browser Versions

macOs chrome 117.0.5938.149

Validations

• Follow our Code of Conduct
• Read the docs.
• Check that there isn't already an issue that request the same feature to avoid creating a duplicate.
• Make sure this is a Swiper issue and not a framework-specific issue

Would you like to open a PR for this bug?

• I'm willing to open a PR

[joseph118]

replicated on core: https://codesandbox.io/p/sandbox/swiper-grid-forked-wrmrz6

[pexch]

Bump, still facing this issue since last year

[repagtor]

Does anyone have solution? I'm still facing this issue @nolimits4web

[levipadre]

Does anyone have a solution?