Base Minerals 1.11.2 #1 has failed

Build 'Base Minerals 1.11.2' is failing!
Last 50 lines of build output:
[...truncated 2.98 KB...]
:extractUserdev
:downloadClient SKIPPED
:downloadServer SKIPPED
:splitServerJar SKIPPED
:mergeJars SKIPPED
:applyBinaryPatches SKIPPED
:deobfProvidedDummyTask
:extractDependencyATs SKIPPED
:extractMcpData SKIPPED
:extractMcpMappings SKIPPED
:genSrgs SKIPPED
:deobfMcMCP SKIPPED
:setupCiWorkspace
:clean UP-TO-DATE
:sourceApiJava
:compileApiJava UP-TO-DATE
:processApiResources UP-TO-DATE
:apiClasses UP-TO-DATE
:sourceMainJava
:compileJavaNote: SpongePowered MIXIN Annotation Processor Version=0.6.8
Note: ObfuscationServiceMCP supports type: "searge"
Note: ObfuscationServiceMCP supports type: "notch"
/var/lib/jenkins/workspace/Base Minerals 1.11.2/build/sources/main/java/com/mcmoddev/baseminerals/init/ItemGroups.java:42: error: incompatible types: Item cannot be converted to ItemStack
        blocksTab.setTabIconItem( blocksTabIconItem );
                                  ^
/var/lib/jenkins/workspace/Base Minerals 1.11.2/build/sources/main/java/com/mcmoddev/baseminerals/init/ItemGroups.java:43: error: incompatible types: Item cannot be converted to ItemStack
        itemsTab.setTabIconItem(itemsTabIconItem);
                                ^
Note: Some messages have been simplified; recompile with -Xdiags:verbose to get full output
2 errors
 FAILED

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':compileJava'.
> Compilation failed; see the compiler error output for details.

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.

BUILD FAILED

Total time: 1 mins 24.722 secs
Build step 'Invoke Gradle script' changed build result to FAILURE
Build step 'Invoke Gradle script' marked build as failure
Archiving artifacts
[Set GitHub commit status (universal)] FAILURE on repos [GHRepository@9faac30[description=Base Minerals Mod,homepage=,name=BaseMinerals,license=<null>,fork=false,size=10496,milestones={},language=Java,commits={},source=<null>,parent=<null>,url=https://api.github.com/repos/MinecraftModDevelopmentMods/BaseMinerals,id=62172950]] (sha:9a1e846) with context:Base Minerals 1.11.2
Setting commit status on GitHub for https://github.com/MinecraftModDevelopmentMods/BaseMinerals/commit/9a1e84625bd0c59caca97ef66a51d1b402c183f0
Changes since last successful build:
View full output
MinecraftModDevelopmentMods / BaseMinerals

Base Minerals 1.11.2 #1 has failed #10
