Error when downloading with "+"

[RuZzz via Digitalmars-d-learn]

Hi ppl!
When dub builds the project, he tries to load the 
http://code.dlang.org/packages/libevent/2.0.1+2.0.16.zip file, 
and dub gives out this error:
************  Running DUB build  ************
dub build
@ /mnt/hdd2_3/ftp/workspace_eclipse/axt-d-base-application
The following changes will be performed:
Fetch dunit ~master, userWide
Fetch libevent >=2.0.1+2.0.16 <2.1.0, userWide
Fetch ddbc >=0.2.9, userWide
Fetch mysql-d >=0.3.0, userWide
Fetch hibernated >=0.2.11, userWide
Fetch openssl >=1.0.0+1.0.0e, userWide
Fetch libev >=4.0.0+4.04 <4.1.0, userWide
Fetch mysql-native 0.0.10, userWide
Package dunit ~master (/home/ruzzz/.dub/packages/) is already 
present with the latest version, skipping upgrade.
Fetching libevent 2.0.1+2.0.16..
Error executing command build: Failed to download 
http://code.dlang.org/packages/libevent/2.0.1%252B2.0.16.zip: 404 
Not Found

How to fix it?

dub.json:
{
        "name" : "axt-d-base-application",
        "description" : "A minimal D bundle.",
        "homepage": "https://axi.su";,
        "license": "GPL-2.0",
        "targetType": "executable",
        "targetPath": "bin",
        "dependencies" : {
                "hibernated": ">=0.2.11",
                "toml-d": ">=0.3.0",
                "vibe-d": "0.7.21-beta.4",
                "ax-static-d": {
                                "version": "0.0.1",
                                "path": "../ax-static-d/"
                        }
        },
        "configurations": [
                {
                        "name": "MySQL",
                        "versions": ["USE_MYSQL"],
                        "subConfigurations":
                        {
                                "hibernated": "MySQL"
                        }
                },
                {
                        "name": "SQLite",
                        "versions": ["USE_SQLITE"],
                        "libs-posix": ["sqlite3"],
                        "libs-windows": ["sqlite3"],
                        "subConfigurations":
                        {
                                "hibernated": "SQLite"
                        }
                }
        ],
        "buildTypes": {
                "debug": {
                        "buildOptions": ["debugMode", "debugInfo", "optimize"]
                },
                "release": {
                        "buildOptions": ["releaseMode", "optimize"]
                }
        },
        "versions": ["VibeCustomMain", "USE_MYSQL"]
}