'no viable alternative at input' when put comments in variables

[vibern0]

• Version: v0.1.2-beta.1
• Platform: linux mint 19.2
• Subsystem:

.../contracts/node_modules/soldoc/node_modules/solidity-parser-antlr/dist/index.js:79                                                                  
    throw new ParserError({ errors: listener.getErrors() });                                                                                                                                      
    ^                                                                                                                                                                                             
ParserError: no viable alternative at input '/**\n     * @dev All states ever created.\n     */mapping' (29:4)

This happens when doing something similar to

/**
* @notice All roles ever created.
*/
mapping (bytes32 => int) internal someVarName;