# Bugs and Error Reporting **URL:** https://melissa.discourse.group/c/bugs-and-error-reporting/7.md [Latest](https://melissa.discourse.group/latest.md) · [Categories](https://melissa.discourse.group/categories.md) · [Tags](https://melissa.discourse.group/tags.md) --- ## [About the Bugs and Error Reporting category](https://melissa.discourse.group/t/about-the-bugs-and-error-reporting-category/23)
**Author:** [@mschoule](https://melissa.discourse.group/u/mschoule)\ **Replies:** 0\ **Last updated:** [May 4, 2023, 12:52pm UTC](https://melissa.discourse.group/t/about-the-bugs-and-error-reporting-category/23 "2023-05-04T12:52:55Z")
Category to report bugs. Please link to the compromised piece of code, how this could yield errors or unexpected behaviors and if known how to solve it. Developers can then open an MR to take care of the issue. --- ## [Multi-rank send of a complex conduit node returns corrupted data (nan / garbage)](https://melissa.discourse.group/t/multi-rank-send-of-a-complex-conduit-node-returns-corrupted-data-nan-garbage/65)
**Author:** [@antoncl](https://melissa.discourse.group/u/antoncl)\ **Replies:** 2\ **Last updated:** [October 15, 2026, 2:42pm UTC](https://melissa.discourse.group/t/multi-rank-send-of-a-complex-conduit-node-returns-corrupted-data-nan-garbage/65 "2026-10-15T14:42:53Z")
What I’m seeing I’m using the C++ client API (melissa::send(node\_name, conduit::Node&)) and sending one node per timestep. The node has three leaves: Leaf Type How it’s set time float64 scalar by value (node\["ti… --- ## [Sobol results changes for server ranks \> 0 (Develop Branch)](https://melissa.discourse.group/t/sobol-results-changes-for-server-ranks-0-develop-branch/39)
**Author:** [@AbhishekP](https://melissa.discourse.group/u/AbhishekP)\ **Replies:** 2\ **Last updated:** [October 10, 2024, 8:56am UTC](https://melissa.discourse.group/t/sobol-results-changes-for-server-ranks-0-develop-branch/39 "2024-10-10T08:56:08Z")
I am testing the main branch (ZMQ) with SA for result consistency when we change the server ranks. Below you will find that the results do not change in case of non-sobol runs while the sobol error increases proportional… --- ## [Strange behaviour of Adios with mpirun (when group size \> 1 for sobol)](https://melissa.discourse.group/t/strange-behaviour-of-adios-with-mpirun-when-group-size-1-for-sobol/37)
**Author:** [@AbhishekP](https://melissa.discourse.group/u/AbhishekP)\ **Replies:** 0\ **Last updated:** [April 4, 2024, 3:17pm UTC](https://melissa.discourse.group/t/strange-behaviour-of-adios-with-mpirun-when-group-size-1-for-sobol/37 "2024-04-04T15:17:55Z")
Hi folks, I am currently working on implementing Adios with sobol. As our Adios writers are sending the data independently we can do the grouping and then compute the sobol’ indices. But before jumping on the actual cod… --- ## [OAR fails with deep learning heat-pde example](https://melissa.discourse.group/t/oar-fails-with-deep-learning-heat-pde-example/36)
**Author:** [@AbhishekP](https://melissa.discourse.group/u/AbhishekP)\ **Replies:** 4\ **Last updated:** [March 11, 2024, 12:24pm UTC](https://melissa.discourse.group/t/oar-fails-with-deep-learning-heat-pde-example/36 "2024-03-11T12:24:21Z")
Hello @rob I did a fresh install of melissa as per the documentation on G5K and the binaries are generated ~/.local/. I was able to obtain the results for Sensitivity Analysis example using config\_oar.json However, whe… --- ## [Melissa Virtual Cluster Issues](https://melissa.discourse.group/t/melissa-virtual-cluster-issues/35)
**Author:** [@AbhishekP](https://melissa.discourse.group/u/AbhishekP)\ **Replies:** 2\ **Last updated:** [March 5, 2024, 9:34am UTC](https://melissa.discourse.group/t/melissa-virtual-cluster-issues/35 "2024-03-05T09:34:16Z")
Hey @rob, Issues with the commit Firstly, I went on your commit and after running the build-and-install.sh script, I get the following errors. Building and installing gitlab-runner in virtual cluster temp- Error: Faile… --- ## [Bug in the relaunch\_group method](https://melissa.discourse.group/t/bug-in-the-relaunch-group-method/29)
**Author:** [@tterraz](https://melissa.discourse.group/u/tterraz)\ **Replies:** 7\ **Last updated:** [June 5, 2023, 7:14am UTC](https://melissa.discourse.group/t/bug-in-the-relaunch-group-method/29 "2023-06-05T07:14:19Z")
Hello, there is a bug in the relaunch\_group method of the BaseServer (see base\_server.py) : self.groups\[group\_id\].simulations\[sim\_id\].parameters, should be self.groups\[group\_id\].simulations\[group\_id \* self.group\_size… --- ## [Zero division in iterative statistic computation](https://melissa.discourse.group/t/zero-division-in-iterative-statistic-computation/28)
**Author:** [@mschoule](https://melissa.discourse.group/u/mschoule)\ **Replies:** 1\ **Last updated:** [May 3, 2023, 1:47pm UTC](https://melissa.discourse.group/t/zero-division-in-iterative-statistic-computation/28 "2023-05-03T13:47:02Z")
Sensitivity Analysis: @tteraz noticed potential divisions by zero in the skewness and kurtosis computations (see iterative\_statistics.py).