# Hashmap does not exist on Motoko base library

**URL:** <https://forum.dfinity.org/t/hashmap-does-not-exist-on-motoko-base-library/15178>\
**Category:** Community Tutorials & Video\
**Created:** [August 30, 2022, 7:27am UTC](https://forum.dfinity.org/t/hashmap-does-not-exist-on-motoko-base-library/15178 "2022-08-30T07:27:27Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![charleswealthdev](https://sea1.discourse-cdn.com/flex023/user_avatar/forum.dfinity.org/charleswealthdev/32/7104_2.png) [@charleswealthdev](https://forum.dfinity.org/u/charleswealthdev)\
**Post date:** [August 30, 2022, 7:27am UTC](https://forum.dfinity.org/t/hashmap-does-not-exist-on-motoko-base-library/15178/1 "2022-08-30T07:27:28Z")

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I have been having an issue using hashmap on my base library

After I dfx deploy,I get dfinity/version/0.11.1/base/hashmap/lib.mo does not exist.

Anyone encountered this?

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**Author:** ![timo](https://sea1.discourse-cdn.com/flex023/user_avatar/forum.dfinity.org/timo/32/5543_2.png) [@timo](https://forum.dfinity.org/u/timo)\
**Post date:** [August 30, 2022, 2:44pm UTC](https://forum.dfinity.org/t/hashmap-does-not-exist-on-motoko-base-library/15178/2 "2022-08-30T14:44:29Z")

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For me that path is `~/.cache/dfinity/versions/0.11.1/base/HashMap.mo`. No subdirectory called `hashmap`.