# \#error-handling
**URL:** https://discuss.ocaml.org/tag/error-handling/614.md
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## [Nesting Algebraic Handlers found in Different Modules](https://discuss.ocaml.org/t/nesting-algebraic-handlers-found-in-different-modules/14256)
**Author:** [@Marietta\_Galea](https://discuss.ocaml.org/u/Marietta_Galea)\
**Replies:** 7\
**Last updated:** [March 10, 2024, 10:55am UTC](https://discuss.ocaml.org/t/nesting-algebraic-handlers-found-in-different-modules/14256 "2024-03-10T10:55:45Z")
Can algebraic handlers in OCaml be separated and put into different modules, then be nested in some other file? For instance, say there are two compilation units Handler1 and Handler2, each with their ml and mli files. …
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## [Unix.time ;; Unbound Module Error](https://discuss.ocaml.org/t/unix-time-unbound-module-error/12970)
**Author:** [@professor.rose](https://discuss.ocaml.org/u/professor.rose)\
**Replies:** 2\
**Last updated:** [September 6, 2023, 9:43am UTC](https://discuss.ocaml.org/t/unix-time-unbound-module-error/12970 "2023-09-06T09:43:56Z")
When I run Unix.time;; in UTop (macOS), I get this error: Error: Unbound module Unix Hint: Did you mean Unit? Does anyone know how to solve this? We couldn’t fine anything online, including Stack Overflow.
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## [How OCaml exception handling works?](https://discuss.ocaml.org/t/how-ocaml-exception-handling-works/12878)
**Author:** [@bememol](https://discuss.ocaml.org/u/bememol)\
**Replies:** 10\
**Last updated:** [August 24, 2023, 6:47pm UTC](https://discuss.ocaml.org/t/how-ocaml-exception-handling-works/12878 "2023-08-24T18:47:22Z")
My mind is very hard wired towards using errors as value. I’m mainly a Go developer, I like Erlang and Elixir a lot, and I would like to use Rust more, but I think the language is just way too much. I have lots of worrie…