R Shiny Error (4.5.1 not supported?) while R Shiny Posit Connect Cloud says can't download nibble dependency-- Help?

shiny
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Hello! I am getting the following error when trying to use reconnect to publish from RStudio:

Error: Unhandled Exception: child_task=1561294255 child_task_status=error: Unhandled Exception: Unsupported R version 4.5.1 for operating system jammy.
Execution halted

And I'm getting the following error when attempting to publish to Shiny through Posit:

2025-06-26T17:44:53-05:00 Collecting your code's R dependencies...
2025-06-26T17:44:54-05:00 Connect Cloud is providing the following 57 R packages:
2025-06-26T17:44:54-05:00 backports@1.5.0, base64enc@0.1-3, bslib@0.9.0, cachem@1.1.0, cli@3.6.5
2025-06-26T17:44:54-05:00 commonmark@1.9.5, cpp11@0.5.2, crayon@1.5.3, digest@0.6.37, farver@2.1.2
2025-06-26T17:44:54-05:00 fastmap@1.2.0, fontawesome@0.5.3, fs@1.6.6, generics@0.1.4, glue@1.8.0
2025-06-26T17:44:54-05:00 gtable@0.3.6, hms@1.1.3, htmltools@0.5.8.1, httpuv@1.6.16, isoband@0.2.7
2025-06-26T17:44:54-05:00 jquerylib@0.1.4, jsonlite@2.0.0, labeling@0.4.3, later@1.4.2, lattice@0.22-7
2025-06-26T17:44:54-05:00 lifecycle@1.0.4, magrittr@2.0.3, MASS@7.3-65, Matrix@1.7-3, memoise@2.0.1
2025-06-26T17:44:54-05:00 mgcv@1.9-3, mime@0.13, nlme@3.1-168, patchwork@1.3.0, pillar@1.10.2
2025-06-26T17:44:54-05:00 pkgconfig@2.0.3, prettyunits@1.2.0, progress@1.2.3, promises@1.3.3, purrr@1.0.4
2025-06-26T17:44:54-05:00 R6@2.6.1, rappdirs@0.3.3, RColorBrewer@1.1-3, Rcpp@1.0.14, rlang@1.1.6
2025-06-26T17:44:54-05:00 sass@0.4.10, scales@1.4.0, shiny@1.10.0, sourcetools@0.1.7-1, stringi@1.8.7
2025-06-26T17:44:54-05:00 stringr@1.5.1, tidyselect@1.2.1, utf8@1.2.5, vctrs@0.6.5, viridisLite@0.4.2
2025-06-26T17:44:54-05:00 withr@3.0.2, xtable@1.8-4
2025-06-26T17:44:54-05:00 6 additional packages will be installed from the Internet.
2025-06-26T17:44:54-05:00 Error downloading https://cran.rstudio.org/src/contrib/Archive/tibble/tibble_3.3.0.9000.tar.gz: status_code=404
2025-06-26T17:44:54-05:00 Could not download uncached project dependencies.
2025-06-26T17:44:54-05:00 Failed to publish content: Download of the tibble package has failed. Check your manifest.json. error_id=a01a60a4-5675-473d-b2d0-6ed6f1577b89

I'm trying to deploy my R shiny app to complete an online course and its deployment to Shiny is halted with every possible path to deployment. Would someone be able to explain what I am doing wrong or what is going wrong so I can fix it?

Thanks in advance!

2

Hi!

Ran into the same issue after updating my R version to 4.5.1. Shinyapps.io does not support 4.5.1 yet, so you will need to change to a previous version. I believe the rig package is the best method to do this. I am currently working to find a solution using rig.

3

Hello twopatek,

Thank you for responding and the recommendation. I installed 4.4 and 4.2, but neither of those worked either. I installed and switched to 4.3.3 and reinstalled all the packages to prior versions as well. R Shiny then worked and deployed! I passed the class.

Thank you so much!