impossible to get artifacts when data has not been loaded. IvyNode = org.slf4j#slf4j-api;1.6.6

[q443048756]

dr-elephant:Master hadoop:3.1.1 spark:2.3.1 sbt:0.13.6 [info] Resolving org.ow2.asm#asm-debug-all;5.0.2 ... [error] impossible to get artifacts when data has not been loaded. IvyNode = org.slf4j#slf4j-api;1.6.6 java.lang.IllegalStateException: impossible to get artifacts when data has not been loaded. IvyNode = org.slf4j#slf4j-api;1.6.6

project/Dependencies.scala

I added the following under // Dependency coordinates:

"com.fasterxml.jackson.core" % "jackson-databind" % "2.5.4", "org.slf4j" % "slf4j-api" % "1.6.6",

But not effective